Finding the Fourth Proportional to 89,522, 123,541.19 and 48,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,522 : 123,541.19 = 48,686.50 : x
2. Step 2: Convert to fraction form
   89,522/123,541.19 = 48,686.50/x
3. Step 3: Cross multiply
   89,522x = 123,541.19 × 48,686.50
4. Step 4: Simplify right side
   89,522x = 6,014,788,146.94
5. Step 5: Solve for x
   x = 6,014,788,146.94/89,522
6. Step 6: Final answer
   x = 67,187.82