Finding the Fourth Proportional to 353,667.90, 488,061.77 and 192,524.18

Step by Step Solution

1. Step 1: Write the proportion equation
   353,667.90 : 488,061.77 = 192,524.18 : x
2. Step 2: Convert to fraction form
   353,667.90/488,061.77 = 192,524.18/x
3. Step 3: Cross multiply
   353,667.90x = 488,061.77 × 192,524.18
4. Step 4: Simplify right side
   353,667.90x = 93,963,688,655.67
5. Step 5: Solve for x
   x = 93,963,688,655.67/353,667.90
6. Step 6: Final answer
   x = 265,683.40