Finding the Fourth Proportional to 112,853.52, 155,731.86 and 65,104.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,853.52 : 155,731.86 = 65,104.02 : x
2. Step 2: Convert to fraction form
   112,853.52/155,731.86 = 65,104.02/x
3. Step 3: Cross multiply
   112,853.52x = 155,731.86 × 65,104.02
4. Step 4: Simplify right side
   112,853.52x = 10,138,770,128.08
5. Step 5: Solve for x
   x = 10,138,770,128.08/112,853.52
6. Step 6: Final answer
   x = 89,840.09