Finding the Fourth Proportional to 2,117,385.30, 3,174,292.12 and 918,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,385.30 : 3,174,292.12 = 918,404.46 : x
2. Step 2: Convert to fraction form
   2,117,385.30/3,174,292.12 = 918,404.46/x
3. Step 3: Cross multiply
   2,117,385.30x = 3,174,292.12 × 918,404.46
4. Step 4: Simplify right side
   2,117,385.30x = 2,915,284,040,350.86
5. Step 5: Solve for x
   x = 2,915,284,040,350.86/2,117,385.30
6. Step 6: Final answer
   x = 1,376,832.10