Finding the Fourth Proportional to 88,362.72, 121,948.67 and 50,134.71

Step by Step Solution

1. Step 1: Write the proportion equation
   88,362.72 : 121,948.67 = 50,134.71 : x
2. Step 2: Convert to fraction form
   88,362.72/121,948.67 = 50,134.71/x
3. Step 3: Cross multiply
   88,362.72x = 121,948.67 × 50,134.71
4. Step 4: Simplify right side
   88,362.72x = 6,113,861,205.34
5. Step 5: Solve for x
   x = 6,113,861,205.34/88,362.72
6. Step 6: Final answer
   x = 69,190.50