Finding the Fourth Proportional to 2,105,447.36, 3,158,141.70 and 507,997.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,447.36 : 3,158,141.70 = 507,997.04 : x
2. Step 2: Convert to fraction form
   2,105,447.36/3,158,141.70 = 507,997.04/x
3. Step 3: Cross multiply
   2,105,447.36x = 3,158,141.70 × 507,997.04
4. Step 4: Simplify right side
   2,105,447.36x = 1,604,326,635,500.57
5. Step 5: Solve for x
   x = 1,604,326,635,500.57/2,105,447.36
6. Step 6: Final answer
   x = 761,988.48