Finding the Fourth Proportional to 2,209,557,388.32, 3,049,174,175.76 and 1,219,482,776.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209,557,388.32 : 3,049,174,175.76 = 1,219,482,776.16 : x
2. Step 2: Convert to fraction form
   2,209,557,388.32/3,049,174,175.76 = 1,219,482,776.16/x
3. Step 3: Cross multiply
   2,209,557,388.32x = 3,049,174,175.76 × 1,219,482,776.16
4. Step 4: Simplify right side
   2,209,557,388.32x = 3,718,415,388,851,185,152
5. Step 5: Solve for x
   x = 3,718,415,388,851,185,152/2,209,557,388.32
6. Step 6: Final answer
   x = 1,682,877,941.30