Finding the Fourth Proportional to 19,980,470.96, 27,573,049.60 and 10,813,113.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,980,470.96 : 27,573,049.60 = 10,813,113.72 : x
2. Step 2: Convert to fraction form
   19,980,470.96/27,573,049.60 = 10,813,113.72/x
3. Step 3: Cross multiply
   19,980,470.96x = 27,573,049.60 × 10,813,113.72
4. Step 4: Simplify right side
   19,980,470.96x = 298,150,520,932,000.56
5. Step 5: Solve for x
   x = 298,150,520,932,000.56/19,980,470.96
6. Step 6: Final answer
   x = 14,922,096.76