Finding the Fourth Proportional to 307,498.88, 424,348.27 and 171,532.79

Step by Step Solution

1. Step 1: Write the proportion equation
   307,498.88 : 424,348.27 = 171,532.79 : x
2. Step 2: Convert to fraction form
   307,498.88/424,348.27 = 171,532.79/x
3. Step 3: Cross multiply
   307,498.88x = 424,348.27 × 171,532.79
4. Step 4: Simplify right side
   307,498.88x = 72,789,641,725.51
5. Step 5: Solve for x
   x = 72,789,641,725.51/307,498.88
6. Step 6: Final answer
   x = 236,715.14