Finding the Fourth Proportional to 64,915.58, 89,527.41 and 42,246.41

Step by Step Solution

1. Step 1: Write the proportion equation
   64,915.58 : 89,527.41 = 42,246.41 : x
2. Step 2: Convert to fraction form
   64,915.58/89,527.41 = 42,246.41/x
3. Step 3: Cross multiply
   64,915.58x = 89,527.41 × 42,246.41
4. Step 4: Simplify right side
   64,915.58x = 3,782,211,221.46
5. Step 5: Solve for x
   x = 3,782,211,221.46/64,915.58
6. Step 6: Final answer
   x = 58,263.54