Finding the Fourth Proportional to 64,787.03, 89,375.54 and 37,912.91

Step by Step Solution

1. Step 1: Write the proportion equation
   64,787.03 : 89,375.54 = 37,912.91 : x
2. Step 2: Convert to fraction form
   64,787.03/89,375.54 = 37,912.91/x
3. Step 3: Cross multiply
   64,787.03x = 89,375.54 × 37,912.91
4. Step 4: Simplify right side
   64,787.03x = 3,388,486,167.78
5. Step 5: Solve for x
   x = 3,388,486,167.78/64,787.03
6. Step 6: Final answer
   x = 52,301.93