Finding the Fourth Proportional to 52,100.72, 78,160.76 and 17,042.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,100.72 : 78,160.76 = 17,042.24 : x
2. Step 2: Convert to fraction form
   52,100.72/78,160.76 = 17,042.24/x
3. Step 3: Cross multiply
   52,100.72x = 78,160.76 × 17,042.24
4. Step 4: Simplify right side
   52,100.72x = 1,332,034,430.50
5. Step 5: Solve for x
   x = 1,332,034,430.50/52,100.72
6. Step 6: Final answer
   x = 25,566.53