Finding the Fourth Proportional to 2,109,008.81, 3,164,052.68 and 613,100.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,008.81 : 3,164,052.68 = 613,100.81 : x
2. Step 2: Convert to fraction form
   2,109,008.81/3,164,052.68 = 613,100.81/x
3. Step 3: Cross multiply
   2,109,008.81x = 3,164,052.68 × 613,100.81
4. Step 4: Simplify right side
   2,109,008.81x = 1,939,883,268,134.43
5. Step 5: Solve for x
   x = 1,939,883,268,134.43/2,109,008.81
6. Step 6: Final answer
   x = 919,808.04