Finding the Fourth Proportional to 2,116,437.88, 2,919,861.12 and 1,198,456.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,437.88 : 2,919,861.12 = 1,198,456.24 : x
2. Step 2: Convert to fraction form
   2,116,437.88/2,919,861.12 = 1,198,456.24/x
3. Step 3: Cross multiply
   2,116,437.88x = 2,919,861.12 × 1,198,456.24
4. Step 4: Simplify right side
   2,116,437.88x = 3,499,325,779,197.39
5. Step 5: Solve for x
   x = 3,499,325,779,197.39/2,116,437.88
6. Step 6: Final answer
   x = 1,653,403.49