Finding the Fourth Proportional to 64,775.71, 89,396.86 and 37,916.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,775.71 : 89,396.86 = 37,916.59 : x
2. Step 2: Convert to fraction form
   64,775.71/89,396.86 = 37,916.59/x
3. Step 3: Cross multiply
   64,775.71x = 89,396.86 × 37,916.59
4. Step 4: Simplify right side
   64,775.71x = 3,389,624,087.91
5. Step 5: Solve for x
   x = 3,389,624,087.91/64,775.71
6. Step 6: Final answer
   x = 52,328.63