Finding the Fourth Proportional to 13,111.22, 18,077.82 and 10,712.35

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.22 : 18,077.82 = 10,712.35 : x
2. Step 2: Convert to fraction form
   13,111.22/18,077.82 = 10,712.35/x
3. Step 3: Cross multiply
   13,111.22x = 18,077.82 × 10,712.35
4. Step 4: Simplify right side
   13,111.22x = 193,655,881.52
5. Step 5: Solve for x
   x = 193,655,881.52/13,111.22
6. Step 6: Final answer
   x = 14,770.24