Finding the Fourth Proportional to 877,674, 1,316,515.32 and 212,826

Step by Step Solution

1. Step 1: Write the proportion equation
   877,674 : 1,316,515.32 = 212,826 : x
2. Step 2: Convert to fraction form
   877,674/1,316,515.32 = 212,826/x
3. Step 3: Cross multiply
   877,674x = 1,316,515.32 × 212,826
4. Step 4: Simplify right side
   877,674x = 280,188,689,494.32
5. Step 5: Solve for x
   x = 280,188,689,494.32/877,674
6. Step 6: Final answer
   x = 319,240.05