Finding the Fourth Proportional to 127,622.90, 191,435.69 and 52,691.42

Step by Step Solution

1. Step 1: Write the proportion equation
   127,622.90 : 191,435.69 = 52,691.42 : x
2. Step 2: Convert to fraction form
   127,622.90/191,435.69 = 52,691.42/x
3. Step 3: Cross multiply
   127,622.90x = 191,435.69 × 52,691.42
4. Step 4: Simplify right side
   127,622.90x = 10,087,017,519.33
5. Step 5: Solve for x
   x = 10,087,017,519.33/127,622.90
6. Step 6: Final answer
   x = 79,037.68