Finding the Fourth Proportional to 152,052.72, 209,826.63 and 88,385.51

Step by Step Solution

1. Step 1: Write the proportion equation
   152,052.72 : 209,826.63 = 88,385.51 : x
2. Step 2: Convert to fraction form
   152,052.72/209,826.63 = 88,385.51/x
3. Step 3: Cross multiply
   152,052.72x = 209,826.63 × 88,385.51
4. Step 4: Simplify right side
   152,052.72x = 18,545,632,655.00
5. Step 5: Solve for x
   x = 18,545,632,655.00/152,052.72
6. Step 6: Final answer
   x = 121,968.44