Finding the Fourth Proportional to 22,077.50, 33,079.52 and 13,294.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.50 : 33,079.52 = 13,294.40 : x
2. Step 2: Convert to fraction form
   22,077.50/33,079.52 = 13,294.40/x
3. Step 3: Cross multiply
   22,077.50x = 33,079.52 × 13,294.40
4. Step 4: Simplify right side
   22,077.50x = 439,772,238.53
5. Step 5: Solve for x
   x = 439,772,238.53/22,077.50
6. Step 6: Final answer
   x = 19,919.48