Finding the Fourth Proportional to 7,848.59, 10,830.86 and 4,311.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,848.59 : 10,830.86 = 4,311.72 : x
2. Step 2: Convert to fraction form
   7,848.59/10,830.86 = 4,311.72/x
3. Step 3: Cross multiply
   7,848.59x = 10,830.86 × 4,311.72
4. Step 4: Simplify right side
   7,848.59x = 46,699,614.12
5. Step 5: Solve for x
   x = 46,699,614.12/7,848.59
6. Step 6: Final answer
   x = 5,950.07