Finding the Fourth Proportional to 152,391.52, 210,300.06 and 85,323.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,391.52 : 210,300.06 = 85,323.52 : x
2. Step 2: Convert to fraction form
   152,391.52/210,300.06 = 85,323.52/x
3. Step 3: Cross multiply
   152,391.52x = 210,300.06 × 85,323.52
4. Step 4: Simplify right side
   152,391.52x = 17,943,541,375.41
5. Step 5: Solve for x
   x = 17,943,541,375.41/152,391.52
6. Step 6: Final answer
   x = 117,746.32