Finding the Fourth Proportional to 42,036.30, 58,009.59 and 23,173.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036.30 : 58,009.59 = 23,173.02 : x
2. Step 2: Convert to fraction form
   42,036.30/58,009.59 = 23,173.02/x
3. Step 3: Cross multiply
   42,036.30x = 58,009.59 × 23,173.02
4. Step 4: Simplify right side
   42,036.30x = 1,344,257,389.26
5. Step 5: Solve for x
   x = 1,344,257,389.26/42,036.30
6. Step 6: Final answer
   x = 31,978.49