Finding the Fourth Proportional to 570,844.96, 787,791.98 and 316,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   570,844.96 : 787,791.98 = 316,196.12 : x
2. Step 2: Convert to fraction form
   570,844.96/787,791.98 = 316,196.12/x
3. Step 3: Cross multiply
   570,844.96x = 787,791.98 × 316,196.12
4. Step 4: Simplify right side
   570,844.96x = 249,096,767,443.12
5. Step 5: Solve for x
   x = 249,096,767,443.12/570,844.96
6. Step 6: Final answer
   x = 436,365.01