Finding the Fourth Proportional to 115,490.41, 159,375.04 and 64,504.00

Step by Step Solution

1. Step 1: Write the proportion equation
   115,490.41 : 159,375.04 = 64,504.00 : x
2. Step 2: Convert to fraction form
   115,490.41/159,375.04 = 64,504.00/x
3. Step 3: Cross multiply
   115,490.41x = 159,375.04 × 64,504.00
4. Step 4: Simplify right side
   115,490.41x = 10,280,327,084.47
5. Step 5: Solve for x
   x = 10,280,327,084.47/115,490.41
6. Step 6: Final answer
   x = 89,014.55