Finding the Fourth Proportional to 104,561.31, 156,753.78 and 45,352.38

Step by Step Solution

1. Step 1: Write the proportion equation
   104,561.31 : 156,753.78 = 45,352.38 : x
2. Step 2: Convert to fraction form
   104,561.31/156,753.78 = 45,352.38/x
3. Step 3: Cross multiply
   104,561.31x = 156,753.78 × 45,352.38
4. Step 4: Simplify right side
   104,561.31x = 7,109,156,997.00
5. Step 5: Solve for x
   x = 7,109,156,997.00/104,561.31
6. Step 6: Final answer
   x = 67,990.32