Finding the Fourth Proportional to 37,422.07, 51,642.50 and 20,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,422.07 : 51,642.50 = 20,426.31 : x
2. Step 2: Convert to fraction form
   37,422.07/51,642.50 = 20,426.31/x
3. Step 3: Cross multiply
   37,422.07x = 51,642.50 × 20,426.31
4. Step 4: Simplify right side
   37,422.07x = 1,054,865,612.04
5. Step 5: Solve for x
   x = 1,054,865,612.04/37,422.07
6. Step 6: Final answer
   x = 28,188.33