Finding the Fourth Proportional to 5,876.74, 8,817.34 and 3,538.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,876.74 : 8,817.34 = 3,538.40 : x
2. Step 2: Convert to fraction form
   5,876.74/8,817.34 = 3,538.40/x
3. Step 3: Cross multiply
   5,876.74x = 8,817.34 × 3,538.40
4. Step 4: Simplify right side
   5,876.74x = 31,199,275.86
5. Step 5: Solve for x
   x = 31,199,275.86/5,876.74
6. Step 6: Final answer
   x = 5,308.94