Finding the Fourth Proportional to 1,300,572.05, 1,795,392 and 756,509.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,572.05 : 1,795,392 = 756,509.63 : x
2. Step 2: Convert to fraction form
   1,300,572.05/1,795,392 = 756,509.63/x
3. Step 3: Cross multiply
   1,300,572.05x = 1,795,392 × 756,509.63
4. Step 4: Simplify right side
   1,300,572.05x = 1,358,231,328,648
5. Step 5: Solve for x
   x = 1,358,231,328,648/1,300,572.05
6. Step 6: Final answer
   x = 1,044,333.79