Finding the Fourth Proportional to 1,360,336.10, 1,877,065.72 and 816,356.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360,336.10 : 1,877,065.72 = 816,356.30 : x
2. Step 2: Convert to fraction form
   1,360,336.10/1,877,065.72 = 816,356.30/x
3. Step 3: Cross multiply
   1,360,336.10x = 1,877,065.72 × 816,356.30
4. Step 4: Simplify right side
   1,360,336.10x = 1,532,354,414,609.82
5. Step 5: Solve for x
   x = 1,532,354,414,609.82/1,360,336.10
6. Step 6: Final answer
   x = 1,126,452.81