Finding the Fourth Proportional to 797,436.86, 1,191,072.04 and 721,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   797,436.86 : 1,191,072.04 = 721,418.72 : x
2. Step 2: Convert to fraction form
   797,436.86/1,191,072.04 = 721,418.72/x
3. Step 3: Cross multiply
   797,436.86x = 1,191,072.04 × 721,418.72
4. Step 4: Simplify right side
   797,436.86x = 859,261,666,524.59
5. Step 5: Solve for x
   x = 859,261,666,524.59/797,436.86
6. Step 6: Final answer
   x = 1,077,529.41