Finding the Fourth Proportional to 42,138.72, 58,146.48 and 23,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,138.72 : 58,146.48 = 23,274.72 : x
2. Step 2: Convert to fraction form
   42,138.72/58,146.48 = 23,274.72/x
3. Step 3: Cross multiply
   42,138.72x = 58,146.48 × 23,274.72
4. Step 4: Simplify right side
   42,138.72x = 1,353,343,040.99
5. Step 5: Solve for x
   x = 1,353,343,040.99/42,138.72
6. Step 6: Final answer
   x = 32,116.38