Finding the Fourth Proportional to 42,020.87, 57,988.05 and 22,900.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.87 : 57,988.05 = 22,900.82 : x
2. Step 2: Convert to fraction form
   42,020.87/57,988.05 = 22,900.82/x
3. Step 3: Cross multiply
   42,020.87x = 57,988.05 × 22,900.82
4. Step 4: Simplify right side
   42,020.87x = 1,327,973,605.26
5. Step 5: Solve for x
   x = 1,327,973,605.26/42,020.87
6. Step 6: Final answer
   x = 31,602.72