Finding the Fourth Proportional to 22,193.98, 33,250.86 and 13,870

Step by Step Solution

1. Step 1: Write the proportion equation
   22,193.98 : 33,250.86 = 13,870 : x
2. Step 2: Convert to fraction form
   22,193.98/33,250.86 = 13,870/x
3. Step 3: Cross multiply
   22,193.98x = 33,250.86 × 13,870
4. Step 4: Simplify right side
   22,193.98x = 461,189,428.20
5. Step 5: Solve for x
   x = 461,189,428.20/22,193.98
6. Step 6: Final answer
   x = 20,779.93