Finding the Fourth Proportional to 89,442.72, 123,452.64 and 53,655.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,442.72 : 123,452.64 = 53,655.84 : x
2. Step 2: Convert to fraction form
   89,442.72/123,452.64 = 53,655.84/x
3. Step 3: Cross multiply
   89,442.72x = 123,452.64 × 53,655.84
4. Step 4: Simplify right side
   89,442.72x = 6,623,955,099.42
5. Step 5: Solve for x
   x = 6,623,955,099.42/89,442.72
6. Step 6: Final answer
   x = 74,058.07