Finding the Fourth Proportional to 89,862, 124,008.72 and 49,576.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,862 : 124,008.72 = 49,576.08 : x
2. Step 2: Convert to fraction form
   89,862/124,008.72 = 49,576.08/x
3. Step 3: Cross multiply
   89,862x = 124,008.72 × 49,576.08
4. Step 4: Simplify right side
   89,862x = 6,147,866,223.42
5. Step 5: Solve for x
   x = 6,147,866,223.42/89,862
6. Step 6: Final answer
   x = 68,414.53