Finding the Fourth Proportional to 2,106,423,011.10, 2,906,856,499.38 and 1,214,345,484.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,423,011.10 : 2,906,856,499.38 = 1,214,345,484.18 : x
2. Step 2: Convert to fraction form
   2,106,423,011.10/2,906,856,499.38 = 1,214,345,484.18/x
3. Step 3: Cross multiply
   2,106,423,011.10x = 2,906,856,499.38 × 1,214,345,484.18
4. Step 4: Simplify right side
   2,106,423,011.10x = 3,529,928,063,181,386,240
5. Step 5: Solve for x
   x = 3,529,928,063,181,386,240/2,106,423,011.10
6. Step 6: Final answer
   x = 1,675,792,585.15