Finding the Fourth Proportional to 2,993,798.72, 4,487,672.16 and 1,289,053.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993,798.72 : 4,487,672.16 = 1,289,053.76 : x
2. Step 2: Convert to fraction form
   2,993,798.72/4,487,672.16 = 1,289,053.76/x
3. Step 3: Cross multiply
   2,993,798.72x = 4,487,672.16 × 1,289,053.76
4. Step 4: Simplify right side
   2,993,798.72x = 5,784,850,671,495.32
5. Step 5: Solve for x
   x = 5,784,850,671,495.32/2,993,798.72
6. Step 6: Final answer
   x = 1,932,277.76