Finding the Fourth Proportional to 155,841.86, 215,061.80 and 88,773.86

Step by Step Solution

1. Step 1: Write the proportion equation
   155,841.86 : 215,061.80 = 88,773.86 : x
2. Step 2: Convert to fraction form
   155,841.86/215,061.80 = 88,773.86/x
3. Step 3: Cross multiply
   155,841.86x = 215,061.80 × 88,773.86
4. Step 4: Simplify right side
   155,841.86x = 19,091,864,605.37
5. Step 5: Solve for x
   x = 19,091,864,605.37/155,841.86
6. Step 6: Final answer
   x = 122,507.94