Finding the Fourth Proportional to 42,346.10, 58,410.78 and 27,212.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,346.10 : 58,410.78 = 27,212.72 : x
2. Step 2: Convert to fraction form
   42,346.10/58,410.78 = 27,212.72/x
3. Step 3: Cross multiply
   42,346.10x = 58,410.78 × 27,212.72
4. Step 4: Simplify right side
   42,346.10x = 1,589,516,201.12
5. Step 5: Solve for x
   x = 1,589,516,201.12/42,346.10
6. Step 6: Final answer
   x = 37,536.31