Finding the Fourth Proportional to 353,013.89, 487,162.15 and 191,868.91

Step by Step Solution

1. Step 1: Write the proportion equation
   353,013.89 : 487,162.15 = 191,868.91 : x
2. Step 2: Convert to fraction form
   353,013.89/487,162.15 = 191,868.91/x
3. Step 3: Cross multiply
   353,013.89x = 487,162.15 × 191,868.91
4. Step 4: Simplify right side
   353,013.89x = 93,471,269,016.18
5. Step 5: Solve for x
   x = 93,471,269,016.18/353,013.89
6. Step 6: Final answer
   x = 264,780.72