Finding the Fourth Proportional to 314,209.72, 471,243.52 and 89,565.36

Step by Step Solution

1. Step 1: Write the proportion equation
   314,209.72 : 471,243.52 = 89,565.36 : x
2. Step 2: Convert to fraction form
   314,209.72/471,243.52 = 89,565.36/x
3. Step 3: Cross multiply
   314,209.72x = 471,243.52 × 89,565.36
4. Step 4: Simplify right side
   314,209.72x = 42,207,095,516.47
5. Step 5: Solve for x
   x = 42,207,095,516.47/314,209.72
6. Step 6: Final answer
   x = 134,327.78