Finding the Fourth Proportional to 72,731,694.78, 109,094,884.92 and 21,612,384.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,731,694.78 : 109,094,884.92 = 21,612,384.96 : x
2. Step 2: Convert to fraction form
   72,731,694.78/109,094,884.92 = 21,612,384.96/x
3. Step 3: Cross multiply
   72,731,694.78x = 109,094,884.92 × 21,612,384.96
4. Step 4: Simplify right side
   72,731,694.78x = 2,357,800,650,057,939
5. Step 5: Solve for x
   x = 2,357,800,650,057,939/72,731,694.78
6. Step 6: Final answer
   x = 32,417,787.83