Finding the Fourth Proportional to 88,648.31, 122,329.69 and 50,402.45

Step by Step Solution

1. Step 1: Write the proportion equation
   88,648.31 : 122,329.69 = 50,402.45 : x
2. Step 2: Convert to fraction form
   88,648.31/122,329.69 = 50,402.45/x
3. Step 3: Cross multiply
   88,648.31x = 122,329.69 × 50,402.45
4. Step 4: Simplify right side
   88,648.31x = 6,165,716,263.56
5. Step 5: Solve for x
   x = 6,165,716,263.56/88,648.31
6. Step 6: Final answer
   x = 69,552.55