Finding the Fourth Proportional to 115,576.06, 159,498.12 and 65,275.06

Step by Step Solution

1. Step 1: Write the proportion equation
   115,576.06 : 159,498.12 = 65,275.06 : x
2. Step 2: Convert to fraction form
   115,576.06/159,498.12 = 65,275.06/x
3. Step 3: Cross multiply
   115,576.06x = 159,498.12 × 65,275.06
4. Step 4: Simplify right side
   115,576.06x = 10,411,249,352.89
5. Step 5: Solve for x
   x = 10,411,249,352.89/115,576.06
6. Step 6: Final answer
   x = 90,081.37