Finding the Fourth Proportional to 1,456,384.47, 2,183,061.01 and 815,748.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,384.47 : 2,183,061.01 = 815,748.95 : x
2. Step 2: Convert to fraction form
   1,456,384.47/2,183,061.01 = 815,748.95/x
3. Step 3: Cross multiply
   1,456,384.47x = 2,183,061.01 × 815,748.95
4. Step 4: Simplify right side
   1,456,384.47x = 1,780,829,724,354.20
5. Step 5: Solve for x
   x = 1,780,829,724,354.20/1,456,384.47
6. Step 6: Final answer
   x = 1,222,774.46