Finding the Fourth Proportional to 463,591,916.16, 639,761,938.56 and 254,748,114.24

Step by Step Solution

1. Step 1: Write the proportion equation
   463,591,916.16 : 639,761,938.56 = 254,748,114.24 : x
2. Step 2: Convert to fraction form
   463,591,916.16/639,761,938.56 = 254,748,114.24/x
3. Step 3: Cross multiply
   463,591,916.16x = 639,761,938.56 × 254,748,114.24
4. Step 4: Simplify right side
   463,591,916.16x = 162,978,147,410,686,720
5. Step 5: Solve for x
   x = 162,978,147,410,686,720/463,591,916.16
6. Step 6: Final answer
   x = 351,555,196.99