Finding the Fourth Proportional to 23,029.32, 31,780.46 and 13,093.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,029.32 : 31,780.46 = 13,093.32 : x
2. Step 2: Convert to fraction form
   23,029.32/31,780.46 = 13,093.32/x
3. Step 3: Cross multiply
   23,029.32x = 31,780.46 × 13,093.32
4. Step 4: Simplify right side
   23,029.32x = 416,111,667.06
5. Step 5: Solve for x
   x = 416,111,667.06/23,029.32
6. Step 6: Final answer
   x = 18,068.78