Finding the Fourth Proportional to 42,153.76, 58,172.07 and 23,290.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,153.76 : 58,172.07 = 23,290.75 : x
2. Step 2: Convert to fraction form
   42,153.76/58,172.07 = 23,290.75/x
3. Step 3: Cross multiply
   42,153.76x = 58,172.07 × 23,290.75
4. Step 4: Simplify right side
   42,153.76x = 1,354,871,139.35
5. Step 5: Solve for x
   x = 1,354,871,139.35/42,153.76
6. Step 6: Final answer
   x = 32,141.17