Finding the Fourth Proportional to 895,941,799.94, 1,236,336,548.71 and 499,447,251.10

Step by Step Solution

1. Step 1: Write the proportion equation
   895,941,799.94 : 1,236,336,548.71 = 499,447,251.10 : x
2. Step 2: Convert to fraction form
   895,941,799.94/1,236,336,548.71 = 499,447,251.10/x
3. Step 3: Cross multiply
   895,941,799.94x = 1,236,336,548.71 × 499,447,251.10
4. Step 4: Simplify right side
   895,941,799.94x = 617,484,890,687,670,784
5. Step 5: Solve for x
   x = 617,484,890,687,670,784/895,941,799.94
6. Step 6: Final answer
   x = 689,202,011.48