Finding the Fourth Proportional to 64,635.29, 89,198.01 and 37,778.93

Step by Step Solution

1. Step 1: Write the proportion equation
   64,635.29 : 89,198.01 = 37,778.93 : x
2. Step 2: Convert to fraction form
   64,635.29/89,198.01 = 37,778.93/x
3. Step 3: Cross multiply
   64,635.29x = 89,198.01 × 37,778.93
4. Step 4: Simplify right side
   64,635.29x = 3,369,805,375.93
5. Step 5: Solve for x
   x = 3,369,805,375.93/64,635.29
6. Step 6: Final answer
   x = 52,135.69