Finding the Fourth Proportional to 2,076,399.30, 3,113,984.55 and 813,500.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,399.30 : 3,113,984.55 = 813,500.10 : x
2. Step 2: Convert to fraction form
   2,076,399.30/3,113,984.55 = 813,500.10/x
3. Step 3: Cross multiply
   2,076,399.30x = 3,113,984.55 × 813,500.10
4. Step 4: Simplify right side
   2,076,399.30x = 2,533,226,742,823.45
5. Step 5: Solve for x
   x = 2,533,226,742,823.45/2,076,399.30
6. Step 6: Final answer
   x = 1,220,009.44