Finding the Fourth Proportional to 2,311,760.16, 3,190,870.17 and 1,345,077.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,760.16 : 3,190,870.17 = 1,345,077.18 : x
2. Step 2: Convert to fraction form
   2,311,760.16/3,190,870.17 = 1,345,077.18/x
3. Step 3: Cross multiply
   2,311,760.16x = 3,190,870.17 × 1,345,077.18
4. Step 4: Simplify right side
   2,311,760.16x = 4,291,966,650,009.72
5. Step 5: Solve for x
   x = 4,291,966,650,009.72/2,311,760.16
6. Step 6: Final answer
   x = 1,856,579.56