Finding the Fourth Proportional to 2,139,024,117.59, 2,948,442,601.01 and 1,686,163,574.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,024,117.59 : 2,948,442,601.01 = 1,686,163,574.55 : x
2. Step 2: Convert to fraction form
   2,139,024,117.59/2,948,442,601.01 = 1,686,163,574.55/x
3. Step 3: Cross multiply
   2,139,024,117.59x = 2,948,442,601.01 × 1,686,163,574.55
4. Step 4: Simplify right side
   2,139,024,117.59x = 4,971,556,515,466,090,496
5. Step 5: Solve for x
   x = 4,971,556,515,466,090,496/2,139,024,117.59
6. Step 6: Final answer
   x = 2,324,217,139.30