Finding the Fourth Proportional to 2,915,778.02, 4,373,371.72 and 786,077.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915,778.02 : 4,373,371.72 = 786,077.42 : x
2. Step 2: Convert to fraction form
   2,915,778.02/4,373,371.72 = 786,077.42/x
3. Step 3: Cross multiply
   2,915,778.02x = 4,373,371.72 × 786,077.42
4. Step 4: Simplify right side
   2,915,778.02x = 3,437,808,732,561.32
5. Step 5: Solve for x
   x = 3,437,808,732,561.32/2,915,778.02
6. Step 6: Final answer
   x = 1,179,036.51