Finding the Fourth Proportional to 42,018.68, 57,983.64 and 23,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018.68 : 57,983.64 = 23,152.16 : x
2. Step 2: Convert to fraction form
   42,018.68/57,983.64 = 23,152.16/x
3. Step 3: Cross multiply
   42,018.68x = 57,983.64 × 23,152.16
4. Step 4: Simplify right side
   42,018.68x = 1,342,446,510.66
5. Step 5: Solve for x
   x = 1,342,446,510.66/42,018.68
6. Step 6: Final answer
   x = 31,948.80