Finding the Fourth Proportional to 42,020.38, 57,988.14 and 22,900.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.38 : 57,988.14 = 22,900.16 : x
2. Step 2: Convert to fraction form
   42,020.38/57,988.14 = 22,900.16/x
3. Step 3: Cross multiply
   42,020.38x = 57,988.14 × 22,900.16
4. Step 4: Simplify right side
   42,020.38x = 1,327,937,684.10
5. Step 5: Solve for x
   x = 1,327,937,684.10/42,020.38
6. Step 6: Final answer
   x = 31,602.23