Finding the Fourth Proportional to 147,893.54, 204,019.61 and 87,434.73

Step by Step Solution

1. Step 1: Write the proportion equation
   147,893.54 : 204,019.61 = 87,434.73 : x
2. Step 2: Convert to fraction form
   147,893.54/204,019.61 = 87,434.73/x
3. Step 3: Cross multiply
   147,893.54x = 204,019.61 × 87,434.73
4. Step 4: Simplify right side
   147,893.54x = 17,838,399,077.88
5. Step 5: Solve for x
   x = 17,838,399,077.88/147,893.54
6. Step 6: Final answer
   x = 120,616.49