Finding the Fourth Proportional to 5,703.52, 7,870.88 and 3,345.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,703.52 : 7,870.88 = 3,345.72 : x
2. Step 2: Convert to fraction form
   5,703.52/7,870.88 = 3,345.72/x
3. Step 3: Cross multiply
   5,703.52x = 7,870.88 × 3,345.72
4. Step 4: Simplify right side
   5,703.52x = 26,333,760.63
5. Step 5: Solve for x
   x = 26,333,760.63/5,703.52
6. Step 6: Final answer
   x = 4,617.11