Finding the Fourth Proportional to 42,608.91, 63,880.97 and 22,870.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,608.91 : 63,880.97 = 22,870.83 : x
2. Step 2: Convert to fraction form
   42,608.91/63,880.97 = 22,870.83/x
3. Step 3: Cross multiply
   42,608.91x = 63,880.97 × 22,870.83
4. Step 4: Simplify right side
   42,608.91x = 1,461,010,690.75
5. Step 5: Solve for x
   x = 1,461,010,690.75/42,608.91
6. Step 6: Final answer
   x = 34,288.85