Finding the Fourth Proportional to 48,374.28, 72,373.72 and 42,406.28

Step by Step Solution

1. Step 1: Write the proportion equation
   48,374.28 : 72,373.72 = 42,406.28 : x
2. Step 2: Convert to fraction form
   48,374.28/72,373.72 = 42,406.28/x
3. Step 3: Cross multiply
   48,374.28x = 72,373.72 × 42,406.28
4. Step 4: Simplify right side
   48,374.28x = 3,069,100,234.96
5. Step 5: Solve for x
   x = 3,069,100,234.96/48,374.28
6. Step 6: Final answer
   x = 63,444.88