Finding the Fourth Proportional to 103,513.92, 142,826.40 and 65,843.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,513.92 : 142,826.40 = 65,843.52 : x
2. Step 2: Convert to fraction form
   103,513.92/142,826.40 = 65,843.52/x
3. Step 3: Cross multiply
   103,513.92x = 142,826.40 × 65,843.52
4. Step 4: Simplify right side
   103,513.92x = 9,404,192,924.93
5. Step 5: Solve for x
   x = 9,404,192,924.93/103,513.92
6. Step 6: Final answer
   x = 90,849.55