Finding the Fourth Proportional to 3,748.86, 5,589.51 and 3,436.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.86 : 5,589.51 = 3,436.59 : x
2. Step 2: Convert to fraction form
   3,748.86/5,589.51 = 3,436.59/x
3. Step 3: Cross multiply
   3,748.86x = 5,589.51 × 3,436.59
4. Step 4: Simplify right side
   3,748.86x = 19,208,854.17
5. Step 5: Solve for x
   x = 19,208,854.17/3,748.86
6. Step 6: Final answer
   x = 5,123.92