Finding the Fourth Proportional to 22,870.51, 31,562.82 and 12,798.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.51 : 31,562.82 = 12,798.37 : x
2. Step 2: Convert to fraction form
   22,870.51/31,562.82 = 12,798.37/x
3. Step 3: Cross multiply
   22,870.51x = 31,562.82 × 12,798.37
4. Step 4: Simplify right side
   22,870.51x = 403,952,648.60
5. Step 5: Solve for x
   x = 403,952,648.60/22,870.51
6. Step 6: Final answer
   x = 17,662.60