Finding the Fourth Proportional to 9,191.85, 12,684.69 and 5,000.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,191.85 : 12,684.69 = 5,000.10 : x
2. Step 2: Convert to fraction form
   9,191.85/12,684.69 = 5,000.10/x
3. Step 3: Cross multiply
   9,191.85x = 12,684.69 × 5,000.10
4. Step 4: Simplify right side
   9,191.85x = 63,424,718.47
5. Step 5: Solve for x
   x = 63,424,718.47/9,191.85
6. Step 6: Final answer
   x = 6,900.10