Finding the Fourth Proportional to 1,074,105.38, 1,611,157.98 and 511,434.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,105.38 : 1,611,157.98 = 511,434.02 : x
2. Step 2: Convert to fraction form
   1,074,105.38/1,611,157.98 = 511,434.02/x
3. Step 3: Cross multiply
   1,074,105.38x = 1,611,157.98 × 511,434.02
4. Step 4: Simplify right side
   1,074,105.38x = 824,001,002,566.48
5. Step 5: Solve for x
   x = 824,001,002,566.48/1,074,105.38
6. Step 6: Final answer
   x = 767,150.99