Finding the Fourth Proportional to 1,144,349,105.28, 1,716,216,334.56 and 315,105,321.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,349,105.28 : 1,716,216,334.56 = 315,105,321.48 : x
2. Step 2: Convert to fraction form
   1,144,349,105.28/1,716,216,334.56 = 315,105,321.48/x
3. Step 3: Cross multiply
   1,144,349,105.28x = 1,716,216,334.56 × 315,105,321.48
4. Step 4: Simplify right side
   1,144,349,105.28x = 540,788,899,830,756,032
5. Step 5: Solve for x
   x = 540,788,899,830,756,032/1,144,349,105.28
6. Step 6: Final answer
   x = 472,573,358.37