Finding the Fourth Proportional to 10,876.86, 16,317.54 and 3,761.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,876.86 : 16,317.54 = 3,761.70 : x
2. Step 2: Convert to fraction form
   10,876.86/16,317.54 = 3,761.70/x
3. Step 3: Cross multiply
   10,876.86x = 16,317.54 × 3,761.70
4. Step 4: Simplify right side
   10,876.86x = 61,381,690.22
5. Step 5: Solve for x
   x = 61,381,690.22/10,876.86
6. Step 6: Final answer
   x = 5,643.33