Finding the Fourth Proportional to 2,413,142.64, 3,620,180.52 and 917,118

Step by Step Solution

1. Step 1: Write the proportion equation
   2,413,142.64 : 3,620,180.52 = 917,118 : x
2. Step 2: Convert to fraction form
   2,413,142.64/3,620,180.52 = 917,118/x
3. Step 3: Cross multiply
   2,413,142.64x = 3,620,180.52 × 917,118
4. Step 4: Simplify right side
   2,413,142.64x = 3,320,132,718,141.36
5. Step 5: Solve for x
   x = 3,320,132,718,141.36/2,413,142.64
6. Step 6: Final answer
   x = 1,375,854.32