Finding the Fourth Proportional to 3,188,895.78, 4,783,323.42 and 1,167,280.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,188,895.78 : 4,783,323.42 = 1,167,280.50 : x
2. Step 2: Convert to fraction form
   3,188,895.78/4,783,323.42 = 1,167,280.50/x
3. Step 3: Cross multiply
   3,188,895.78x = 4,783,323.42 × 1,167,280.50
4. Step 4: Simplify right side
   3,188,895.78x = 5,583,480,153,359.31
5. Step 5: Solve for x
   x = 5,583,480,153,359.31/3,188,895.78
6. Step 6: Final answer
   x = 1,750,913.34