Finding the Fourth Proportional to 5,375.43, 7,417.89 and 2,985.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375.43 : 7,417.89 = 2,985.51 : x
2. Step 2: Convert to fraction form
   5,375.43/7,417.89 = 2,985.51/x
3. Step 3: Cross multiply
   5,375.43x = 7,417.89 × 2,985.51
4. Step 4: Simplify right side
   5,375.43x = 22,146,184.77
5. Step 5: Solve for x
   x = 22,146,184.77/5,375.43
6. Step 6: Final answer
   x = 4,119.89