Finding the Fourth Proportional to 152,216.89, 210,101.51 and 88,566.98

Step by Step Solution

1. Step 1: Write the proportion equation
   152,216.89 : 210,101.51 = 88,566.98 : x
2. Step 2: Convert to fraction form
   152,216.89/210,101.51 = 88,566.98/x
3. Step 3: Cross multiply
   152,216.89x = 210,101.51 × 88,566.98
4. Step 4: Simplify right side
   152,216.89x = 18,608,055,405.05
5. Step 5: Solve for x
   x = 18,608,055,405.05/152,216.89
6. Step 6: Final answer
   x = 122,246.98