Finding the Fourth Proportional to 42,155.29, 58,186.43 and 27,825.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,155.29 : 58,186.43 = 27,825.58 : x
2. Step 2: Convert to fraction form
   42,155.29/58,186.43 = 27,825.58/x
3. Step 3: Cross multiply
   42,155.29x = 58,186.43 × 27,825.58
4. Step 4: Simplify right side
   42,155.29x = 1,619,071,162.88
5. Step 5: Solve for x
   x = 1,619,071,162.88/42,155.29
6. Step 6: Final answer
   x = 38,407.31