Finding the Fourth Proportional to 9,321.59, 12,863.83 and 5,342.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,321.59 : 12,863.83 = 5,342.93 : x
2. Step 2: Convert to fraction form
   9,321.59/12,863.83 = 5,342.93/x
3. Step 3: Cross multiply
   9,321.59x = 12,863.83 × 5,342.93
4. Step 4: Simplify right side
   9,321.59x = 68,730,543.22
5. Step 5: Solve for x
   x = 68,730,543.22/9,321.59
6. Step 6: Final answer
   x = 7,373.27