Finding the Fourth Proportional to 64,592.74, 89,139 and 36,298.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,592.74 : 89,139 = 36,298.42 : x
2. Step 2: Convert to fraction form
   64,592.74/89,139 = 36,298.42/x
3. Step 3: Cross multiply
   64,592.74x = 89,139 × 36,298.42
4. Step 4: Simplify right side
   64,592.74x = 3,235,604,860.38
5. Step 5: Solve for x
   x = 3,235,604,860.38/64,592.74
6. Step 6: Final answer
   x = 50,092.39