Finding the Fourth Proportional to 2,108,767.50, 3,164,115.15 and 1,147,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,767.50 : 3,164,115.15 = 1,147,783.50 : x
2. Step 2: Convert to fraction form
   2,108,767.50/3,164,115.15 = 1,147,783.50/x
3. Step 3: Cross multiply
   2,108,767.50x = 3,164,115.15 × 1,147,783.50
4. Step 4: Simplify right side
   2,108,767.50x = 3,631,719,161,270.03
5. Step 5: Solve for x
   x = 3,631,719,161,270.03/2,108,767.50
6. Step 6: Final answer
   x = 1,722,199.89