Finding the Fourth Proportional to 1,786,432.55, 2,678,142.52 and 774,792.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,432.55 : 2,678,142.52 = 774,792.56 : x
2. Step 2: Convert to fraction form
   1,786,432.55/2,678,142.52 = 774,792.56/x
3. Step 3: Cross multiply
   1,786,432.55x = 2,678,142.52 × 774,792.56
4. Step 4: Simplify right side
   1,786,432.55x = 2,075,004,906,779.50
5. Step 5: Solve for x
   x = 2,075,004,906,779.50/1,786,432.55
6. Step 6: Final answer
   x = 1,161,535.55