Finding the Fourth Proportional to 42,038.04, 58,016.56 and 31,409.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,038.04 : 58,016.56 = 31,409.22 : x
2. Step 2: Convert to fraction form
   42,038.04/58,016.56 = 31,409.22/x
3. Step 3: Cross multiply
   42,038.04x = 58,016.56 × 31,409.22
4. Step 4: Simplify right side
   42,038.04x = 1,822,254,896.68
5. Step 5: Solve for x
   x = 1,822,254,896.68/42,038.04
6. Step 6: Final answer
   x = 43,347.76