Finding the Fourth Proportional to 76,042.62, 104,829.03 and 52,131.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,042.62 : 104,829.03 = 52,131.42 : x
2. Step 2: Convert to fraction form
   76,042.62/104,829.03 = 52,131.42/x
3. Step 3: Cross multiply
   76,042.62x = 104,829.03 × 52,131.42
4. Step 4: Simplify right side
   76,042.62x = 5,464,886,191.12
5. Step 5: Solve for x
   x = 5,464,886,191.12/76,042.62
6. Step 6: Final answer
   x = 71,866.10