Finding the Fourth Proportional to 42,045.42, 58,019.72 and 23,182.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,045.42 : 58,019.72 = 23,182.14 : x
2. Step 2: Convert to fraction form
   42,045.42/58,019.72 = 23,182.14/x
3. Step 3: Cross multiply
   42,045.42x = 58,019.72 × 23,182.14
4. Step 4: Simplify right side
   42,045.42x = 1,345,021,155.89
5. Step 5: Solve for x
   x = 1,345,021,155.89/42,045.42
6. Step 6: Final answer
   x = 31,989.72