Finding the Fourth Proportional to 569,636.28, 786,082.52 and 314,978.76

Step by Step Solution

1. Step 1: Write the proportion equation
   569,636.28 : 786,082.52 = 314,978.76 : x
2. Step 2: Convert to fraction form
   569,636.28/786,082.52 = 314,978.76/x
3. Step 3: Cross multiply
   569,636.28x = 786,082.52 × 314,978.76
4. Step 4: Simplify right side
   569,636.28x = 247,599,298,194.72
5. Step 5: Solve for x
   x = 247,599,298,194.72/569,636.28
6. Step 6: Final answer
   x = 434,662.09