Finding the Fourth Proportional to 113,521.34, 156,659.40 and 65,802.34

Step by Step Solution

1. Step 1: Write the proportion equation
   113,521.34 : 156,659.40 = 65,802.34 : x
2. Step 2: Convert to fraction form
   113,521.34/156,659.40 = 65,802.34/x
3. Step 3: Cross multiply
   113,521.34x = 156,659.40 × 65,802.34
4. Step 4: Simplify right side
   113,521.34x = 10,308,555,103.00
5. Step 5: Solve for x
   x = 10,308,555,103.00/113,521.34
6. Step 6: Final answer
   x = 90,807.20