Finding the Fourth Proportional to 64,774.71, 89,395.48 and 37,915.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,774.71 : 89,395.48 = 37,915.59 : x
2. Step 2: Convert to fraction form
   64,774.71/89,395.48 = 37,915.59/x
3. Step 3: Cross multiply
   64,774.71x = 89,395.48 × 37,915.59
4. Step 4: Simplify right side
   64,774.71x = 3,389,482,177.96
5. Step 5: Solve for x
   x = 3,389,482,177.96/64,774.71
6. Step 6: Final answer
   x = 52,327.25