Finding the Fourth Proportional to 64,744.79, 89,347.80 and 37,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   64,744.79 : 89,347.80 = 37,892.42 : x
2. Step 2: Convert to fraction form
   64,744.79/89,347.80 = 37,892.42/x
3. Step 3: Cross multiply
   64,744.79x = 89,347.80 × 37,892.42
4. Step 4: Simplify right side
   64,744.79x = 3,385,604,363.68
5. Step 5: Solve for x
   x = 3,385,604,363.68/64,744.79
6. Step 6: Final answer
   x = 52,291.53