Finding the Fourth Proportional to 9,926.86, 14,870.82 and 5,758.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.86 : 14,870.82 = 5,758.11 : x
2. Step 2: Convert to fraction form
   9,926.86/14,870.82 = 5,758.11/x
3. Step 3: Cross multiply
   9,926.86x = 14,870.82 × 5,758.11
4. Step 4: Simplify right side
   9,926.86x = 85,627,817.35
5. Step 5: Solve for x
   x = 85,627,817.35/9,926.86
6. Step 6: Final answer
   x = 8,625.87