Finding the Fourth Proportional to 2,839,162,298.63, 4,254,936,619.86 and 2,209,654,449.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839,162,298.63 : 4,254,936,619.86 = 2,209,654,449.99 : x
2. Step 2: Convert to fraction form
   2,839,162,298.63/4,254,936,619.86 = 2,209,654,449.99/x
3. Step 3: Cross multiply
   2,839,162,298.63x = 4,254,936,619.86 × 2,209,654,449.99
4. Step 4: Simplify right side
   2,839,162,298.63x = 9,401,939,636,499,056,640
5. Step 5: Solve for x
   x = 9,401,939,636,499,056,640/2,839,162,298.63
6. Step 6: Final answer
   x = 3,311,518,908.61