Finding the Fourth Proportional to 42,146.32, 58,142.18 and 27,031.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,146.32 : 58,142.18 = 27,031.72 : x
2. Step 2: Convert to fraction form
   42,146.32/58,142.18 = 27,031.72/x
3. Step 3: Cross multiply
   42,146.32x = 58,142.18 × 27,031.72
4. Step 4: Simplify right side
   42,146.32x = 1,571,683,129.95
5. Step 5: Solve for x
   x = 1,571,683,129.95/42,146.32
6. Step 6: Final answer
   x = 37,291.11