Finding the Fourth Proportional to 7,875.83, 10,868.15 and 4,339.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,875.83 : 10,868.15 = 4,339.02 : x
2. Step 2: Convert to fraction form
   7,875.83/10,868.15 = 4,339.02/x
3. Step 3: Cross multiply
   7,875.83x = 10,868.15 × 4,339.02
4. Step 4: Simplify right side
   7,875.83x = 47,157,098.52
5. Step 5: Solve for x
   x = 47,157,098.52/7,875.83
6. Step 6: Final answer
   x = 5,987.58