Finding the Fourth Proportional to 5,305.80, 7,322.52 and 2,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,305.80 : 7,322.52 = 2,948.72 : x
2. Step 2: Convert to fraction form
   5,305.80/7,322.52 = 2,948.72/x
3. Step 3: Cross multiply
   5,305.80x = 7,322.52 × 2,948.72
4. Step 4: Simplify right side
   5,305.80x = 21,592,061.17
5. Step 5: Solve for x
   x = 21,592,061.17/5,305.80
6. Step 6: Final answer
   x = 4,069.52