Finding the Fourth Proportional to 10,988,695,614.72, 16,483,145,452.56 and 3,128,107,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,988,695,614.72 : 16,483,145,452.56 = 3,128,107,654.56 : x
2. Step 2: Convert to fraction form
   10,988,695,614.72/16,483,145,452.56 = 3,128,107,654.56/x
3. Step 3: Cross multiply
   10,988,695,614.72x = 16,483,145,452.56 × 3,128,107,654.56
4. Step 4: Simplify right side
   10,988,695,614.72x = 51,561,053,461,378,785,280
5. Step 5: Solve for x
   x = 51,561,053,461,378,785,280/10,988,695,614.72
6. Step 6: Final answer
   x = 4,692,190,526.45