Finding the Fourth Proportional to 42,209.10, 58,256.62 and 27,120.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,209.10 : 58,256.62 = 27,120.83 : x
2. Step 2: Convert to fraction form
   42,209.10/58,256.62 = 27,120.83/x
3. Step 3: Cross multiply
   42,209.10x = 58,256.62 × 27,120.83
4. Step 4: Simplify right side
   42,209.10x = 1,579,967,528.31
5. Step 5: Solve for x
   x = 1,579,967,528.31/42,209.10
6. Step 6: Final answer
   x = 37,431.92