Finding the Fourth Proportional to 314,830.83, 469,828.72 and 281,197.51

Step by Step Solution

1. Step 1: Write the proportion equation
   314,830.83 : 469,828.72 = 281,197.51 : x
2. Step 2: Convert to fraction form
   314,830.83/469,828.72 = 281,197.51/x
3. Step 3: Cross multiply
   314,830.83x = 469,828.72 × 281,197.51
4. Step 4: Simplify right side
   314,830.83x = 132,114,665,367.41
5. Step 5: Solve for x
   x = 132,114,665,367.41/314,830.83
6. Step 6: Final answer
   x = 419,637.00