Finding the Fourth Proportional to 151,118.15, 208,534.80 and 83,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,118.15 : 208,534.80 = 83,124.15 : x
2. Step 2: Convert to fraction form
   151,118.15/208,534.80 = 83,124.15/x
3. Step 3: Cross multiply
   151,118.15x = 208,534.80 × 83,124.15
4. Step 4: Simplify right side
   151,118.15x = 17,334,276,952.75
5. Step 5: Solve for x
   x = 17,334,276,952.75/151,118.15
6. Step 6: Final answer
   x = 114,706.79