Finding the Fourth Proportional to 28,108.91, 42,151.01 and 14,958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   28,108.91 : 42,151.01 = 14,958.15 : x
2. Step 2: Convert to fraction form
   28,108.91/42,151.01 = 14,958.15/x
3. Step 3: Cross multiply
   28,108.91x = 42,151.01 × 14,958.15
4. Step 4: Simplify right side
   28,108.91x = 630,501,055.44
5. Step 5: Solve for x
   x = 630,501,055.44/28,108.91
6. Step 6: Final answer
   x = 22,430.65