Finding the Fourth Proportional to 2,108,513,338.76, 2,909,743,386.72 and 1,155,892,384.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,513,338.76 : 2,909,743,386.72 = 1,155,892,384.64 : x
2. Step 2: Convert to fraction form
   2,108,513,338.76/2,909,743,386.72 = 1,155,892,384.64/x
3. Step 3: Cross multiply
   2,108,513,338.76x = 2,909,743,386.72 × 1,155,892,384.64
4. Step 4: Simplify right side
   2,108,513,338.76x = 3,363,350,221,966,250,496
5. Step 5: Solve for x
   x = 3,363,350,221,966,250,496/2,108,513,338.76
6. Step 6: Final answer
   x = 1,595,128,738.40