Finding the Fourth Proportional to 151,042.50, 208,447.29 and 83,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   151,042.50 : 208,447.29 = 83,978.82 : x
2. Step 2: Convert to fraction form
   151,042.50/208,447.29 = 83,978.82/x
3. Step 3: Cross multiply
   151,042.50x = 208,447.29 × 83,978.82
4. Step 4: Simplify right side
   151,042.50x = 17,505,157,446.40
5. Step 5: Solve for x
   x = 17,505,157,446.40/151,042.50
6. Step 6: Final answer
   x = 115,895.58