Finding the Fourth Proportional to 12,310.24, 18,435.93 and 7,100.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,310.24 : 18,435.93 = 7,100.32 : x
2. Step 2: Convert to fraction form
   12,310.24/18,435.93 = 7,100.32/x
3. Step 3: Cross multiply
   12,310.24x = 18,435.93 × 7,100.32
4. Step 4: Simplify right side
   12,310.24x = 130,901,002.50
5. Step 5: Solve for x
   x = 130,901,002.50/12,310.24
6. Step 6: Final answer
   x = 10,633.51