Finding the Fourth Proportional to 113,659.96, 156,844.56 and 65,264.35

Step by Step Solution

1. Step 1: Write the proportion equation
   113,659.96 : 156,844.56 = 65,264.35 : x
2. Step 2: Convert to fraction form
   113,659.96/156,844.56 = 65,264.35/x
3. Step 3: Cross multiply
   113,659.96x = 156,844.56 × 65,264.35
4. Step 4: Simplify right side
   113,659.96x = 10,236,358,259.44
5. Step 5: Solve for x
   x = 10,236,358,259.44/113,659.96
6. Step 6: Final answer
   x = 90,061.25