Finding the Fourth Proportional to 799,397,799.30, 1,201,112,238.15 and 508,404,327.30

Step by Step Solution

1. Step 1: Write the proportion equation
   799,397,799.30 : 1,201,112,238.15 = 508,404,327.30 : x
2. Step 2: Convert to fraction form
   799,397,799.30/1,201,112,238.15 = 508,404,327.30/x
3. Step 3: Cross multiply
   799,397,799.30x = 1,201,112,238.15 × 508,404,327.30
4. Step 4: Simplify right side
   799,397,799.30x = 610,650,659,448,448,256
5. Step 5: Solve for x
   x = 610,650,659,448,448,256/799,397,799.30
6. Step 6: Final answer
   x = 763,888,341.93