Finding the Fourth Proportional to 42,045.42, 58,020.39 and 23,181.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,045.42 : 58,020.39 = 23,181.06 : x
2. Step 2: Convert to fraction form
   42,045.42/58,020.39 = 23,181.06/x
3. Step 3: Cross multiply
   42,045.42x = 58,020.39 × 23,181.06
4. Step 4: Simplify right side
   42,045.42x = 1,344,974,141.81
5. Step 5: Solve for x
   x = 1,344,974,141.81/42,045.42
6. Step 6: Final answer
   x = 31,988.60