Finding the Fourth Proportional to 151,089.20, 208,498.74 and 83,106.17

Step by Step Solution

1. Step 1: Write the proportion equation
   151,089.20 : 208,498.74 = 83,106.17 : x
2. Step 2: Convert to fraction form
   151,089.20/208,498.74 = 83,106.17/x
3. Step 3: Cross multiply
   151,089.20x = 208,498.74 × 83,106.17
4. Step 4: Simplify right side
   151,089.20x = 17,327,531,470.60
5. Step 5: Solve for x
   x = 17,327,531,470.60/151,089.20
6. Step 6: Final answer
   x = 114,684.12