Finding the Fourth Proportional to 2,076,404.30, 3,113,992.05 and 813,505.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,404.30 : 3,113,992.05 = 813,505.10 : x
2. Step 2: Convert to fraction form
   2,076,404.30/3,113,992.05 = 813,505.10/x
3. Step 3: Cross multiply
   2,076,404.30x = 3,113,992.05 × 813,505.10
4. Step 4: Simplify right side
   2,076,404.30x = 2,533,248,414,034.45
5. Step 5: Solve for x
   x = 2,533,248,414,034.45/2,076,404.30
6. Step 6: Final answer
   x = 1,220,016.94