Finding the Fourth Proportional to 37,422, 51,642.42 and 20,655

Step by Step Solution

1. Step 1: Write the proportion equation
   37,422 : 51,642.42 = 20,655 : x
2. Step 2: Convert to fraction form
   37,422/51,642.42 = 20,655/x
3. Step 3: Cross multiply
   37,422x = 51,642.42 × 20,655
4. Step 4: Simplify right side
   37,422x = 1,066,674,185.10
5. Step 5: Solve for x
   x = 1,066,674,185.10/37,422
6. Step 6: Final answer
   x = 28,503.93