Finding the Fourth Proportional to 116,112.24, 160,283.88 and 78,437.52

Step by Step Solution

1. Step 1: Write the proportion equation
   116,112.24 : 160,283.88 = 78,437.52 : x
2. Step 2: Convert to fraction form
   116,112.24/160,283.88 = 78,437.52/x
3. Step 3: Cross multiply
   116,112.24x = 160,283.88 × 78,437.52
4. Step 4: Simplify right side
   116,112.24x = 12,572,270,043.18
5. Step 5: Solve for x
   x = 12,572,270,043.18/116,112.24
6. Step 6: Final answer
   x = 108,276.87