Finding the Fourth Proportional to 89,442.02, 123,403.01 and 53,618.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,442.02 : 123,403.01 = 53,618.96 : x
2. Step 2: Convert to fraction form
   89,442.02/123,403.01 = 53,618.96/x
3. Step 3: Cross multiply
   89,442.02x = 123,403.01 × 53,618.96
4. Step 4: Simplify right side
   89,442.02x = 6,616,740,171.96
5. Step 5: Solve for x
   x = 6,616,740,171.96/89,442.02
6. Step 6: Final answer
   x = 73,977.99