Finding the Fourth Proportional to 72,314.01, 99,803.30 and 43,635.15

Step by Step Solution

1. Step 1: Write the proportion equation
   72,314.01 : 99,803.30 = 43,635.15 : x
2. Step 2: Convert to fraction form
   72,314.01/99,803.30 = 43,635.15/x
3. Step 3: Cross multiply
   72,314.01x = 99,803.30 × 43,635.15
4. Step 4: Simplify right side
   72,314.01x = 4,354,931,747.82
5. Step 5: Solve for x
   x = 4,354,931,747.82/72,314.01
6. Step 6: Final answer
   x = 60,222.52