Finding the Fourth Proportional to 824,302.74, 1,243,012.71 and 813,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   824,302.74 : 1,243,012.71 = 813,061.56 : x
2. Step 2: Convert to fraction form
   824,302.74/1,243,012.71 = 813,061.56/x
3. Step 3: Cross multiply
   824,302.74x = 1,243,012.71 × 813,061.56
4. Step 4: Simplify right side
   824,302.74x = 1,010,645,853,092.43
5. Step 5: Solve for x
   x = 1,010,645,853,092.43/824,302.74
6. Step 6: Final answer
   x = 1,226,061.50