Finding the Fourth Proportional to 1,187,774.72, 1,639,196.16 and 704,625.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,187,774.72 : 1,639,196.16 = 704,625.92 : x
2. Step 2: Convert to fraction form
   1,187,774.72/1,639,196.16 = 704,625.92/x
3. Step 3: Cross multiply
   1,187,774.72x = 1,639,196.16 × 704,625.92
4. Step 4: Simplify right side
   1,187,774.72x = 1,155,020,102,300.47
5. Step 5: Solve for x
   x = 1,155,020,102,300.47/1,187,774.72
6. Step 6: Final answer
   x = 972,423.54