Finding the Fourth Proportional to 1,865,087,786.28, 2,574,046,840.41 and 1,061,510,661.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,087,786.28 : 2,574,046,840.41 = 1,061,510,661.99 : x
2. Step 2: Convert to fraction form
   1,865,087,786.28/2,574,046,840.41 = 1,061,510,661.99/x
3. Step 3: Cross multiply
   1,865,087,786.28x = 2,574,046,840.41 × 1,061,510,661.99
4. Step 4: Simplify right side
   1,865,087,786.28x = 2,732,378,165,556,887,040
5. Step 5: Solve for x
   x = 2,732,378,165,556,887,040/1,865,087,786.28
6. Step 6: Final answer
   x = 1,465,013,167.56