Finding the Fourth Proportional to 2,290,830.50, 3,161,445.42 and 1,311,077.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,830.50 : 3,161,445.42 = 1,311,077.07 : x
2. Step 2: Convert to fraction form
   2,290,830.50/3,161,445.42 = 1,311,077.07/x
3. Step 3: Cross multiply
   2,290,830.50x = 3,161,445.42 × 1,311,077.07
4. Step 4: Simplify right side
   2,290,830.50x = 4,144,898,598,218.52
5. Step 5: Solve for x
   x = 4,144,898,598,218.52/2,290,830.50
6. Step 6: Final answer
   x = 1,809,343.21