Finding the Fourth Proportional to 7,830.32, 10,806.10 and 4,293.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,830.32 : 10,806.10 = 4,293.50 : x
2. Step 2: Convert to fraction form
   7,830.32/10,806.10 = 4,293.50/x
3. Step 3: Cross multiply
   7,830.32x = 10,806.10 × 4,293.50
4. Step 4: Simplify right side
   7,830.32x = 46,395,925.59
5. Step 5: Solve for x
   x = 46,395,925.59/7,830.32
6. Step 6: Final answer
   x = 5,925.17