Finding the Fourth Proportional to 1,499,330, 2,248,997.16 and 612,866

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,330 : 2,248,997.16 = 612,866 : x
2. Step 2: Convert to fraction form
   1,499,330/2,248,997.16 = 612,866/x
3. Step 3: Cross multiply
   1,499,330x = 2,248,997.16 × 612,866
4. Step 4: Simplify right side
   1,499,330x = 1,378,333,893,460.56
5. Step 5: Solve for x
   x = 1,378,333,893,460.56/1,499,330
6. Step 6: Final answer
   x = 919,299.88