Finding the Fourth Proportional to 10,961,629.38, 15,128,461.89 and 6,613,064.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961,629.38 : 15,128,461.89 = 6,613,064.28 : x
2. Step 2: Convert to fraction form
   10,961,629.38/15,128,461.89 = 6,613,064.28/x
3. Step 3: Cross multiply
   10,961,629.38x = 15,128,461.89 × 6,613,064.28
4. Step 4: Simplify right side
   10,961,629.38x = 100,045,490,936,100.30
5. Step 5: Solve for x
   x = 100,045,490,936,100.30/10,961,629.38
6. Step 6: Final answer
   x = 9,126,881.37