Finding the Fourth Proportional to 1,116,276.33, 1,672,488.69 and 611,200.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,276.33 : 1,672,488.69 = 611,200.83 : x
2. Step 2: Convert to fraction form
   1,116,276.33/1,672,488.69 = 611,200.83/x
3. Step 3: Cross multiply
   1,116,276.33x = 1,672,488.69 × 611,200.83
4. Step 4: Simplify right side
   1,116,276.33x = 1,022,226,475,493.61
5. Step 5: Solve for x
   x = 1,022,226,475,493.61/1,116,276.33
6. Step 6: Final answer
   x = 915,746.80