Finding the Fourth Proportional to 42,030.99, 58,003.16 and 23,168.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,030.99 : 58,003.16 = 23,168.79 : x
2. Step 2: Convert to fraction form
   42,030.99/58,003.16 = 23,168.79/x
3. Step 3: Cross multiply
   42,030.99x = 58,003.16 × 23,168.79
4. Step 4: Simplify right side
   42,030.99x = 1,343,862,917.53
5. Step 5: Solve for x
   x = 1,343,862,917.53/42,030.99
6. Step 6: Final answer
   x = 31,973.14