Finding the Fourth Proportional to 23,030.23, 34,489.99 and 13,139.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,030.23 : 34,489.99 = 13,139.52 : x
2. Step 2: Convert to fraction form
   23,030.23/34,489.99 = 13,139.52/x
3. Step 3: Cross multiply
   23,030.23x = 34,489.99 × 13,139.52
4. Step 4: Simplify right side
   23,030.23x = 453,182,003.73
5. Step 5: Solve for x
   x = 453,182,003.73/23,030.23
6. Step 6: Final answer
   x = 19,677.70