Finding the Fourth Proportional to 59,598.30, 89,475.58 and 39,964.71

Step by Step Solution

1. Step 1: Write the proportion equation
   59,598.30 : 89,475.58 = 39,964.71 : x
2. Step 2: Convert to fraction form
   59,598.30/89,475.58 = 39,964.71/x
3. Step 3: Cross multiply
   59,598.30x = 89,475.58 × 39,964.71
4. Step 4: Simplify right side
   59,598.30x = 3,575,865,606.78
5. Step 5: Solve for x
   x = 3,575,865,606.78/59,598.30
6. Step 6: Final answer
   x = 59,999.46