Finding the Fourth Proportional to 64,900.09, 89,562.54 and 38,043.19

Step by Step Solution

1. Step 1: Write the proportion equation
   64,900.09 : 89,562.54 = 38,043.19 : x
2. Step 2: Convert to fraction form
   64,900.09/89,562.54 = 38,043.19/x
3. Step 3: Cross multiply
   64,900.09x = 89,562.54 × 38,043.19
4. Step 4: Simplify right side
   64,900.09x = 3,407,244,726.10
5. Step 5: Solve for x
   x = 3,407,244,726.10/64,900.09
6. Step 6: Final answer
   x = 52,499.85