Finding the Fourth Proportional to 200,058.59, 276,181.25 and 154,634.00

Step by Step Solution

1. Step 1: Write the proportion equation
   200,058.59 : 276,181.25 = 154,634.00 : x
2. Step 2: Convert to fraction form
   200,058.59/276,181.25 = 154,634.00/x
3. Step 3: Cross multiply
   200,058.59x = 276,181.25 × 154,634.00
4. Step 4: Simplify right side
   200,058.59x = 42,707,009,258.42
5. Step 5: Solve for x
   x = 42,707,009,258.42/200,058.59
6. Step 6: Final answer
   x = 213,472.51