Finding the Fourth Proportional to 468,849,898, 647,012,865 and 262,817,002

Step by Step Solution

1. Step 1: Write the proportion equation
   468,849,898 : 647,012,865 = 262,817,002 : x
2. Step 2: Convert to fraction form
   468,849,898/647,012,865 = 262,817,002/x
3. Step 3: Cross multiply
   468,849,898x = 647,012,865 × 262,817,002
4. Step 4: Simplify right side
   468,849,898x = 170,045,981,434,730,720
5. Step 5: Solve for x
   x = 170,045,981,434,730,720/468,849,898
6. Step 6: Final answer
   x = 362,687,465.99