Finding the Fourth Proportional to 64,475.19, 89,003.34 and 60,440.04

Step by Step Solution

1. Step 1: Write the proportion equation
   64,475.19 : 89,003.34 = 60,440.04 : x
2. Step 2: Convert to fraction form
   64,475.19/89,003.34 = 60,440.04/x
3. Step 3: Cross multiply
   64,475.19x = 89,003.34 × 60,440.04
4. Step 4: Simplify right side
   64,475.19x = 5,379,365,429.73
5. Step 5: Solve for x
   x = 5,379,365,429.73/64,475.19
6. Step 6: Final answer
   x = 83,433.11