Finding the Fourth Proportional to 1,317,156.84, 1,817,760.42 and 807,789.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,156.84 : 1,817,760.42 = 807,789.96 : x
2. Step 2: Convert to fraction form
   1,317,156.84/1,817,760.42 = 807,789.96/x
3. Step 3: Cross multiply
   1,317,156.84x = 1,817,760.42 × 807,789.96
4. Step 4: Simplify right side
   1,317,156.84x = 1,468,368,616,961.38
5. Step 5: Solve for x
   x = 1,468,368,616,961.38/1,317,156.84
6. Step 6: Final answer
   x = 1,114,801.65