Finding the Fourth Proportional to 116,702.15, 161,117.61 and 109,976.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,702.15 : 161,117.61 = 109,976.10 : x
2. Step 2: Convert to fraction form
   116,702.15/161,117.61 = 109,976.10/x
3. Step 3: Cross multiply
   116,702.15x = 161,117.61 × 109,976.10
4. Step 4: Simplify right side
   116,702.15x = 17,719,086,731.95
5. Step 5: Solve for x
   x = 17,719,086,731.95/116,702.15
6. Step 6: Final answer
   x = 151,831.70