Finding the Fourth Proportional to 1,116,274.33, 1,672,485.69 and 611,198.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,274.33 : 1,672,485.69 = 611,198.83 : x
2. Step 2: Convert to fraction form
   1,116,274.33/1,672,485.69 = 611,198.83/x
3. Step 3: Cross multiply
   1,116,274.33x = 1,672,485.69 × 611,198.83
4. Step 4: Simplify right side
   1,116,274.33x = 1,022,221,296,919.74
5. Step 5: Solve for x
   x = 1,022,221,296,919.74/1,116,274.33
6. Step 6: Final answer
   x = 915,743.80