Finding the Fourth Proportional to 151,066.57, 208,471.94 and 83,088.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,066.57 : 208,471.94 = 83,088.15 : x
2. Step 2: Convert to fraction form
   151,066.57/208,471.94 = 83,088.15/x
3. Step 3: Cross multiply
   151,066.57x = 208,471.94 × 83,088.15
4. Step 4: Simplify right side
   151,066.57x = 17,321,548,811.71
5. Step 5: Solve for x
   x = 17,321,548,811.71/151,066.57
6. Step 6: Final answer
   x = 114,661.69