Finding the Fourth Proportional to 5,262.52, 7,848.04 and 5,191.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,262.52 : 7,848.04 = 5,191.90 : x
2. Step 2: Convert to fraction form
   5,262.52/7,848.04 = 5,191.90/x
3. Step 3: Cross multiply
   5,262.52x = 7,848.04 × 5,191.90
4. Step 4: Simplify right side
   5,262.52x = 40,746,216.01
5. Step 5: Solve for x
   x = 40,746,216.01/5,262.52
6. Step 6: Final answer
   x = 7,742.72