Finding the Fourth Proportional to 2,390,498.56, 3,298,888 and 1,317,410.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,498.56 : 3,298,888 = 1,317,410.56 : x
2. Step 2: Convert to fraction form
   2,390,498.56/3,298,888 = 1,317,410.56/x
3. Step 3: Cross multiply
   2,390,498.56x = 3,298,888 × 1,317,410.56
4. Step 4: Simplify right side
   2,390,498.56x = 4,345,989,887,457.28
5. Step 5: Solve for x
   x = 4,345,989,887,457.28/2,390,498.56
6. Step 6: Final answer
   x = 1,818,026.57