Finding the Fourth Proportional to 89,443.85, 123,302.44 and 62,502.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,443.85 : 123,302.44 = 62,502.74 : x
2. Step 2: Convert to fraction form
   89,443.85/123,302.44 = 62,502.74/x
3. Step 3: Cross multiply
   89,443.85x = 123,302.44 × 62,502.74
4. Step 4: Simplify right side
   89,443.85x = 7,706,739,575.92
5. Step 5: Solve for x
   x = 7,706,739,575.92/89,443.85
6. Step 6: Final answer
   x = 86,162.88