Finding the Fourth Proportional to 42,666.16, 58,901.44 and 31,168.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,666.16 : 58,901.44 = 31,168.16 : x
2. Step 2: Convert to fraction form
   42,666.16/58,901.44 = 31,168.16/x
3. Step 3: Cross multiply
   42,666.16x = 58,901.44 × 31,168.16
4. Step 4: Simplify right side
   42,666.16x = 1,835,849,447.71
5. Step 5: Solve for x
   x = 1,835,849,447.71/42,666.16
6. Step 6: Final answer
   x = 43,028.23