Finding the Fourth Proportional to 115,386.67, 159,233.52 and 65,085.67

Step by Step Solution

1. Step 1: Write the proportion equation
   115,386.67 : 159,233.52 = 65,085.67 : x
2. Step 2: Convert to fraction form
   115,386.67/159,233.52 = 65,085.67/x
3. Step 3: Cross multiply
   115,386.67x = 159,233.52 × 65,085.67
4. Step 4: Simplify right side
   115,386.67x = 10,363,820,335.66
5. Step 5: Solve for x
   x = 10,363,820,335.66/115,386.67
6. Step 6: Final answer
   x = 89,818.18