Finding the Fourth Proportional to 2,185,873,404.10, 3,278,810,106.15 and 2,185,873,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,873,404.10 : 3,278,810,106.15 = 2,185,873,404.10 : x
2. Step 2: Convert to fraction form
   2,185,873,404.10/3,278,810,106.15 = 2,185,873,404.10/x
3. Step 3: Cross multiply
   2,185,873,404.10x = 3,278,810,106.15 × 2,185,873,404.10
4. Step 4: Simplify right side
   2,185,873,404.10x = 7,167,063,808,127,583,232
5. Step 5: Solve for x
   x = 7,167,063,808,127,583,232/2,185,873,404.10
6. Step 6: Final answer
   x = 3,278,810,106.15