Finding the Fourth Proportional to 64,642.34, 89,191.90 and 37,414.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,642.34 : 89,191.90 = 37,414.20 : x
2. Step 2: Convert to fraction form
   64,642.34/89,191.90 = 37,414.20/x
3. Step 3: Cross multiply
   64,642.34x = 89,191.90 × 37,414.20
4. Step 4: Simplify right side
   64,642.34x = 3,337,043,584.98
5. Step 5: Solve for x
   x = 3,337,043,584.98/64,642.34
6. Step 6: Final answer
   x = 51,623.19