Finding the Fourth Proportional to 105,081.43, 157,615.74 and 34,002.55

Step by Step Solution

1. Step 1: Write the proportion equation
   105,081.43 : 157,615.74 = 34,002.55 : x
2. Step 2: Convert to fraction form
   105,081.43/157,615.74 = 34,002.55/x
3. Step 3: Cross multiply
   105,081.43x = 157,615.74 × 34,002.55
4. Step 4: Simplify right side
   105,081.43x = 5,359,337,080.14
5. Step 5: Solve for x
   x = 5,359,337,080.14/105,081.43
6. Step 6: Final answer
   x = 51,001.75