Finding the Fourth Proportional to 2,290,980.82, 3,161,464.53 and 1,272,450.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290,980.82 : 3,161,464.53 = 1,272,450.10 : x
2. Step 2: Convert to fraction form
   2,290,980.82/3,161,464.53 = 1,272,450.10/x
3. Step 3: Cross multiply
   2,290,980.82x = 3,161,464.53 × 1,272,450.10
4. Step 4: Simplify right side
   2,290,980.82x = 4,022,805,857,344.95
5. Step 5: Solve for x
   x = 4,022,805,857,344.95/2,290,980.82
6. Step 6: Final answer
   x = 1,755,931.70