Finding the Fourth Proportional to 23,106.63, 31,887.40 and 13,552.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.63 : 31,887.40 = 13,552.18 : x
2. Step 2: Convert to fraction form
   23,106.63/31,887.40 = 13,552.18/x
3. Step 3: Cross multiply
   23,106.63x = 31,887.40 × 13,552.18
4. Step 4: Simplify right side
   23,106.63x = 432,143,667.48
5. Step 5: Solve for x
   x = 432,143,667.48/23,106.63
6. Step 6: Final answer
   x = 18,702.15