Finding the Fourth Proportional to 22,610.35, 31,203.06 and 13,656.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,610.35 : 31,203.06 = 13,656.07 : x
2. Step 2: Convert to fraction form
   22,610.35/31,203.06 = 13,656.07/x
3. Step 3: Cross multiply
   22,610.35x = 31,203.06 × 13,656.07
4. Step 4: Simplify right side
   22,610.35x = 426,111,171.57
5. Step 5: Solve for x
   x = 426,111,171.57/22,610.35
6. Step 6: Final answer
   x = 18,845.85