Finding the Fourth Proportional to 127,411.18, 191,139.83 and 52,489.69

Step by Step Solution

1. Step 1: Write the proportion equation
   127,411.18 : 191,139.83 = 52,489.69 : x
2. Step 2: Convert to fraction form
   127,411.18/191,139.83 = 52,489.69/x
3. Step 3: Cross multiply
   127,411.18x = 191,139.83 × 52,489.69
4. Step 4: Simplify right side
   127,411.18x = 10,032,870,175.15
5. Step 5: Solve for x
   x = 10,032,870,175.15/127,411.18
6. Step 6: Final answer
   x = 78,744.03