Finding the Fourth Proportional to 89,147.42, 123,023 and 48,862.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,147.42 : 123,023 = 48,862.88 : x
2. Step 2: Convert to fraction form
   89,147.42/123,023 = 48,862.88/x
3. Step 3: Cross multiply
   89,147.42x = 123,023 × 48,862.88
4. Step 4: Simplify right side
   89,147.42x = 6,011,258,086.24
5. Step 5: Solve for x
   x = 6,011,258,086.24/89,147.42
6. Step 6: Final answer
   x = 67,430.53