Finding the Fourth Proportional to 72,731,563.52, 109,094,688.03 and 21,612,253.73

Step by Step Solution

1. Step 1: Write the proportion equation
   72,731,563.52 : 109,094,688.03 = 21,612,253.73 : x
2. Step 2: Convert to fraction form
   72,731,563.52/109,094,688.03 = 21,612,253.73/x
3. Step 3: Cross multiply
   72,731,563.52x = 109,094,688.03 × 21,612,253.73
4. Step 4: Simplify right side
   72,731,563.52x = 2,357,782,077,835,126.50
5. Step 5: Solve for x
   x = 2,357,782,077,835,126.50/72,731,563.52
6. Step 6: Final answer
   x = 32,417,590.99