Finding the Fourth Proportional to 330,061.61, 494,648.94 and 180,077.15

Step by Step Solution

1. Step 1: Write the proportion equation
   330,061.61 : 494,648.94 = 180,077.15 : x
2. Step 2: Convert to fraction form
   330,061.61/494,648.94 = 180,077.15/x
3. Step 3: Cross multiply
   330,061.61x = 494,648.94 × 180,077.15
4. Step 4: Simplify right side
   330,061.61x = 89,074,971,365.72
5. Step 5: Solve for x
   x = 89,074,971,365.72/330,061.61
6. Step 6: Final answer
   x = 269,873.77