Finding the Fourth Proportional to 89,440.16, 123,297.39 and 62,499.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,440.16 : 123,297.39 = 62,499.02 : x
2. Step 2: Convert to fraction form
   89,440.16/123,297.39 = 62,499.02/x
3. Step 3: Cross multiply
   89,440.16x = 123,297.39 × 62,499.02
4. Step 4: Simplify right side
   89,440.16x = 7,705,965,427.07
5. Step 5: Solve for x
   x = 7,705,965,427.07/89,440.16
6. Step 6: Final answer
   x = 86,157.78