Finding the Fourth Proportional to 22,058.70, 30,429.33 and 13,978.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,058.70 : 30,429.33 = 13,978.08 : x
2. Step 2: Convert to fraction form
   22,058.70/30,429.33 = 13,978.08/x
3. Step 3: Cross multiply
   22,058.70x = 30,429.33 × 13,978.08
4. Step 4: Simplify right side
   22,058.70x = 425,343,609.09
5. Step 5: Solve for x
   x = 425,343,609.09/22,058.70
6. Step 6: Final answer
   x = 19,282.35