Finding the Fourth Proportional to 2,369,636.37, 3,553,775.60 and 772,339.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369,636.37 : 3,553,775.60 = 772,339.05 : x
2. Step 2: Convert to fraction form
   2,369,636.37/3,553,775.60 = 772,339.05/x
3. Step 3: Cross multiply
   2,369,636.37x = 3,553,775.60 × 772,339.05
4. Step 4: Simplify right side
   2,369,636.37x = 2,744,719,666,955.49
5. Step 5: Solve for x
   x = 2,744,719,666,955.49/2,369,636.37
6. Step 6: Final answer
   x = 1,158,287.28