Finding the Fourth Proportional to 127,320.96, 190,980.18 and 77,414.82

Step by Step Solution

1. Step 1: Write the proportion equation
   127,320.96 : 190,980.18 = 77,414.82 : x
2. Step 2: Convert to fraction form
   127,320.96/190,980.18 = 77,414.82/x
3. Step 3: Cross multiply
   127,320.96x = 190,980.18 × 77,414.82
4. Step 4: Simplify right side
   127,320.96x = 14,784,696,258.27
5. Step 5: Solve for x
   x = 14,784,696,258.27/127,320.96
6. Step 6: Final answer
   x = 116,121.46