Finding the Fourth Proportional to 64,773.81, 89,388.06 and 37,555.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,773.81 : 89,388.06 = 37,555.20 : x
2. Step 2: Convert to fraction form
   64,773.81/89,388.06 = 37,555.20/x
3. Step 3: Cross multiply
   64,773.81x = 89,388.06 × 37,555.20
4. Step 4: Simplify right side
   64,773.81x = 3,356,986,470.91
5. Step 5: Solve for x
   x = 3,356,986,470.91/64,773.81
6. Step 6: Final answer
   x = 51,826.29