Finding the Fourth Proportional to 42,180.72, 58,186.77 and 27,826.35

Step by Step Solution

1. Step 1: Write the proportion equation
   42,180.72 : 58,186.77 = 27,826.35 : x
2. Step 2: Convert to fraction form
   42,180.72/58,186.77 = 27,826.35/x
3. Step 3: Cross multiply
   42,180.72x = 58,186.77 × 27,826.35
4. Step 4: Simplify right side
   42,180.72x = 1,619,125,427.39
5. Step 5: Solve for x
   x = 1,619,125,427.39/42,180.72
6. Step 6: Final answer
   x = 38,385.44