Finding the Fourth Proportional to 1,318,092.10, 1,977,119.69 and 519,380.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,092.10 : 1,977,119.69 = 519,380.56 : x
2. Step 2: Convert to fraction form
   1,318,092.10/1,977,119.69 = 519,380.56/x
3. Step 3: Cross multiply
   1,318,092.10x = 1,977,119.69 × 519,380.56
4. Step 4: Simplify right side
   1,318,092.10x = 1,026,877,519,296.73
5. Step 5: Solve for x
   x = 1,026,877,519,296.73/1,318,092.10
6. Step 6: Final answer
   x = 779,063.56