Finding the Fourth Proportional to 359,128.89, 538,617.70 and 106,411.52

Step by Step Solution

1. Step 1: Write the proportion equation
   359,128.89 : 538,617.70 = 106,411.52 : x
2. Step 2: Convert to fraction form
   359,128.89/538,617.70 = 106,411.52/x
3. Step 3: Cross multiply
   359,128.89x = 538,617.70 × 106,411.52
4. Step 4: Simplify right side
   359,128.89x = 57,315,129,635.46
5. Step 5: Solve for x
   x = 57,315,129,635.46/359,128.89
6. Step 6: Final answer
   x = 159,594.87