Finding the Fourth Proportional to 5,434.86, 7,499.88 and 3,077.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,434.86 : 7,499.88 = 3,077.13 : x
2. Step 2: Convert to fraction form
   5,434.86/7,499.88 = 3,077.13/x
3. Step 3: Cross multiply
   5,434.86x = 7,499.88 × 3,077.13
4. Step 4: Simplify right side
   5,434.86x = 23,078,105.74
5. Step 5: Solve for x
   x = 23,078,105.74/5,434.86
6. Step 6: Final answer
   x = 4,246.31