Finding the Fourth Proportional to 155,844.86, 215,065.94 and 88,776.86

Step by Step Solution

1. Step 1: Write the proportion equation
   155,844.86 : 215,065.94 = 88,776.86 : x
2. Step 2: Convert to fraction form
   155,844.86/215,065.94 = 88,776.86/x
3. Step 3: Cross multiply
   155,844.86x = 215,065.94 × 88,776.86
4. Step 4: Simplify right side
   155,844.86x = 19,092,878,846.15
5. Step 5: Solve for x
   x = 19,092,878,846.15/155,844.86
6. Step 6: Final answer
   x = 122,512.09