Finding the Fourth Proportional to 48,543,983,624.10, 72,820,825,327.35 and 13,171,900,520.10

Step by Step Solution

1. Step 1: Write the proportion equation
   48,543,983,624.10 : 72,820,825,327.35 = 13,171,900,520.10 : x
2. Step 2: Convert to fraction form
   48,543,983,624.10/72,820,825,327.35 = 13,171,900,520.10/x
3. Step 3: Cross multiply
   48,543,983,624.10x = 72,820,825,327.35 × 13,171,900,520.10
4. Step 4: Simplify right side
   48,543,983,624.10x = 959,188,667,003,432,861,696
5. Step 5: Solve for x
   x = 959,188,667,003,432,861,696/48,543,983,624.10
6. Step 6: Final answer
   x = 19,759,166,747.23