Finding the Fourth Proportional to 1,578,061.42, 2,367,191.78 and 667,074.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,578,061.42 : 2,367,191.78 = 667,074.02 : x
2. Step 2: Convert to fraction form
   1,578,061.42/2,367,191.78 = 667,074.02/x
3. Step 3: Cross multiply
   1,578,061.42x = 2,367,191.78 × 667,074.02
4. Step 4: Simplify right side
   1,578,061.42x = 1,579,092,136,795.56
5. Step 5: Solve for x
   x = 1,579,092,136,795.56/1,578,061.42
6. Step 6: Final answer
   x = 1,000,653.15