Finding the Fourth Proportional to 12,938.12, 17,854.82 and 10,108.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,938.12 : 17,854.82 = 10,108.76 : x
2. Step 2: Convert to fraction form
   12,938.12/17,854.82 = 10,108.76/x
3. Step 3: Cross multiply
   12,938.12x = 17,854.82 × 10,108.76
4. Step 4: Simplify right side
   12,938.12x = 180,490,090.22
5. Step 5: Solve for x
   x = 180,490,090.22/12,938.12
6. Step 6: Final answer
   x = 13,950.26