Finding the Fourth Proportional to 23,065.56, 31,830.56 and 13,987.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,065.56 : 31,830.56 = 13,987.88 : x
2. Step 2: Convert to fraction form
   23,065.56/31,830.56 = 13,987.88/x
3. Step 3: Cross multiply
   23,065.56x = 31,830.56 × 13,987.88
4. Step 4: Simplify right side
   23,065.56x = 445,242,053.61
5. Step 5: Solve for x
   x = 445,242,053.61/23,065.56
6. Step 6: Final answer
   x = 19,303.33