Finding the Fourth Proportional to 17,434.52, 26,151.56 and 4,287

Step by Step Solution

1. Step 1: Write the proportion equation
   17,434.52 : 26,151.56 = 4,287 : x
2. Step 2: Convert to fraction form
   17,434.52/26,151.56 = 4,287/x
3. Step 3: Cross multiply
   17,434.52x = 26,151.56 × 4,287
4. Step 4: Simplify right side
   17,434.52x = 112,111,737.72
5. Step 5: Solve for x
   x = 112,111,737.72/17,434.52
6. Step 6: Final answer
   x = 6,430.45