Finding the Fourth Proportional to 314,870.41, 472,407.72 and 188,490.97

Step by Step Solution

1. Step 1: Write the proportion equation
   314,870.41 : 472,407.72 = 188,490.97 : x
2. Step 2: Convert to fraction form
   314,870.41/472,407.72 = 188,490.97/x
3. Step 3: Cross multiply
   314,870.41x = 472,407.72 × 188,490.97
4. Step 4: Simplify right side
   314,870.41x = 89,044,589,378.29
5. Step 5: Solve for x
   x = 89,044,589,378.29/314,870.41
6. Step 6: Final answer
   x = 282,797.58