Finding the Fourth Proportional to 110,200.20, 151,903.55 and 71,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   110,200.20 : 151,903.55 = 71,892.16 : x
2. Step 2: Convert to fraction form
   110,200.20/151,903.55 = 71,892.16/x
3. Step 3: Cross multiply
   110,200.20x = 151,903.55 × 71,892.16
4. Step 4: Simplify right side
   110,200.20x = 10,920,674,121.14
5. Step 5: Solve for x
   x = 10,920,674,121.14/110,200.20
6. Step 6: Final answer
   x = 99,098.50