Finding the Fourth Proportional to 10,111.62, 13,952.16 and 7,684.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.62 : 13,952.16 = 7,684.05 : x
2. Step 2: Convert to fraction form
   10,111.62/13,952.16 = 7,684.05/x
3. Step 3: Cross multiply
   10,111.62x = 13,952.16 × 7,684.05
4. Step 4: Simplify right side
   10,111.62x = 107,209,095.05
5. Step 5: Solve for x
   x = 107,209,095.05/10,111.62
6. Step 6: Final answer
   x = 10,602.56