Finding the Fourth Proportional to 5,437.51, 7,508.33 and 4,090.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,437.51 : 7,508.33 = 4,090.78 : x
2. Step 2: Convert to fraction form
   5,437.51/7,508.33 = 4,090.78/x
3. Step 3: Cross multiply
   5,437.51x = 7,508.33 × 4,090.78
4. Step 4: Simplify right side
   5,437.51x = 30,714,926.50
5. Step 5: Solve for x
   x = 30,714,926.50/5,437.51
6. Step 6: Final answer
   x = 5,648.72