Finding the Fourth Proportional to 570,665.58, 787,517.79 and 316,016.46

Step by Step Solution

1. Step 1: Write the proportion equation
   570,665.58 : 787,517.79 = 316,016.46 : x
2. Step 2: Convert to fraction form
   570,665.58/787,517.79 = 316,016.46/x
3. Step 3: Cross multiply
   570,665.58x = 787,517.79 × 316,016.46
4. Step 4: Simplify right side
   570,665.58x = 248,868,584,182.82
5. Step 5: Solve for x
   x = 248,868,584,182.82/570,665.58
6. Step 6: Final answer
   x = 436,102.32