Finding the Fourth Proportional to 329,611.69, 454,851.50 and 186,374.73

Step by Step Solution

1. Step 1: Write the proportion equation
   329,611.69 : 454,851.50 = 186,374.73 : x
2. Step 2: Convert to fraction form
   329,611.69/454,851.50 = 186,374.73/x
3. Step 3: Cross multiply
   329,611.69x = 454,851.50 × 186,374.73
4. Step 4: Simplify right side
   329,611.69x = 84,772,824,570.72
5. Step 5: Solve for x
   x = 84,772,824,570.72/329,611.69
6. Step 6: Final answer
   x = 257,189.98