Finding the Fourth Proportional to 115,024.48, 158,729.89 and 64,713.76

Step by Step Solution

1. Step 1: Write the proportion equation
   115,024.48 : 158,729.89 = 64,713.76 : x
2. Step 2: Convert to fraction form
   115,024.48/158,729.89 = 64,713.76/x
3. Step 3: Cross multiply
   115,024.48x = 158,729.89 × 64,713.76
4. Step 4: Simplify right side
   115,024.48x = 10,272,006,889.07
5. Step 5: Solve for x
   x = 10,272,006,889.07/115,024.48
6. Step 6: Final answer
   x = 89,302.79