Finding the Fourth Proportional to 2,642,776,499.38, 3,647,127,454.64 and 1,513,964,426.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,776,499.38 : 3,647,127,454.64 = 1,513,964,426.47 : x
2. Step 2: Convert to fraction form
   2,642,776,499.38/3,647,127,454.64 = 1,513,964,426.47/x
3. Step 3: Cross multiply
   2,642,776,499.38x = 3,647,127,454.64 × 1,513,964,426.47
4. Step 4: Simplify right side
   2,642,776,499.38x = 5,521,621,225,127,037,952
5. Step 5: Solve for x
   x = 5,521,621,225,127,037,952/2,642,776,499.38
6. Step 6: Final answer
   x = 2,089,325,838.35