Finding the Fourth Proportional to 64,748.88, 89,360.28 and 37,900.08

Step by Step Solution

1. Step 1: Write the proportion equation
   64,748.88 : 89,360.28 = 37,900.08 : x
2. Step 2: Convert to fraction form
   64,748.88/89,360.28 = 37,900.08/x
3. Step 3: Cross multiply
   64,748.88x = 89,360.28 × 37,900.08
4. Step 4: Simplify right side
   64,748.88x = 3,386,761,760.82
5. Step 5: Solve for x
   x = 3,386,761,760.82/64,748.88
6. Step 6: Final answer
   x = 52,306.11