Finding the Fourth Proportional to 2,171,105,949.29, 2,988,562,080.35 and 1,892,167,921.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171,105,949.29 : 2,988,562,080.35 = 1,892,167,921.13 : x
2. Step 2: Convert to fraction form
   2,171,105,949.29/2,988,562,080.35 = 1,892,167,921.13/x
3. Step 3: Cross multiply
   2,171,105,949.29x = 2,988,562,080.35 × 1,892,167,921.13
4. Step 4: Simplify right side
   2,171,105,949.29x = 5,654,861,298,733,594,624
5. Step 5: Solve for x
   x = 5,654,861,298,733,594,624/2,171,105,949.29
6. Step 6: Final answer
   x = 2,604,599,421.14