Finding the Fourth Proportional to 28,058.91, 42,088.40 and 22,472.10

Step by Step Solution

1. Step 1: Write the proportion equation
   28,058.91 : 42,088.40 = 22,472.10 : x
2. Step 2: Convert to fraction form
   28,058.91/42,088.40 = 22,472.10/x
3. Step 3: Cross multiply
   28,058.91x = 42,088.40 × 22,472.10
4. Step 4: Simplify right side
   28,058.91x = 945,814,705.55
5. Step 5: Solve for x
   x = 945,814,705.55/28,058.91
6. Step 6: Final answer
   x = 33,708.18