Finding the Fourth Proportional to 90,482.88, 124,865.52 and 50,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,482.88 : 124,865.52 = 50,196.72 : x
2. Step 2: Convert to fraction form
   90,482.88/124,865.52 = 50,196.72/x
3. Step 3: Cross multiply
   90,482.88x = 124,865.52 × 50,196.72
4. Step 4: Simplify right side
   90,482.88x = 6,267,839,545.09
5. Step 5: Solve for x
   x = 6,267,839,545.09/90,482.88
6. Step 6: Final answer
   x = 69,271.00