Finding the Fourth Proportional to 49,617.50, 74,434.46 and 22,990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   49,617.50 : 74,434.46 = 22,990.10 : x
2. Step 2: Convert to fraction form
   49,617.50/74,434.46 = 22,990.10/x
3. Step 3: Cross multiply
   49,617.50x = 74,434.46 × 22,990.10
4. Step 4: Simplify right side
   49,617.50x = 1,711,255,191.72
5. Step 5: Solve for x
   x = 1,711,255,191.72/49,617.50
6. Step 6: Final answer
   x = 34,488.95