Finding the Fourth Proportional to 1,404,469,139.28, 2,105,183,117.04 and 913,533,245.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,469,139.28 : 2,105,183,117.04 = 913,533,245.52 : x
2. Step 2: Convert to fraction form
   1,404,469,139.28/2,105,183,117.04 = 913,533,245.52/x
3. Step 3: Cross multiply
   1,404,469,139.28x = 2,105,183,117.04 × 913,533,245.52
4. Step 4: Simplify right side
   1,404,469,139.28x = 1,923,154,765,323,461,120
5. Step 5: Solve for x
   x = 1,923,154,765,323,461,120/1,404,469,139.28
6. Step 6: Final answer
   x = 1,369,310,803.30