Finding the Fourth Proportional to 353,843.46, 488,300.61 and 192,701.20

Step by Step Solution

1. Step 1: Write the proportion equation
   353,843.46 : 488,300.61 = 192,701.20 : x
2. Step 2: Convert to fraction form
   353,843.46/488,300.61 = 192,701.20/x
3. Step 3: Cross multiply
   353,843.46x = 488,300.61 × 192,701.20
4. Step 4: Simplify right side
   353,843.46x = 94,096,111,066.23
5. Step 5: Solve for x
   x = 94,096,111,066.23/353,843.46
6. Step 6: Final answer
   x = 265,925.82