Finding the Fourth Proportional to 107,000.76, 147,612.06 and 69,287.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,000.76 : 147,612.06 = 69,287.16 : x
2. Step 2: Convert to fraction form
   107,000.76/147,612.06 = 69,287.16/x
3. Step 3: Cross multiply
   107,000.76x = 147,612.06 × 69,287.16
4. Step 4: Simplify right side
   107,000.76x = 10,227,620,419.15
5. Step 5: Solve for x
   x = 10,227,620,419.15/107,000.76
6. Step 6: Final answer
   x = 95,584.56