Finding the Fourth Proportional to 12,871,404.96, 17,760,613.68 and 7,363,905

Step by Step Solution

1. Step 1: Write the proportion equation
   12,871,404.96 : 17,760,613.68 = 7,363,905 : x
2. Step 2: Convert to fraction form
   12,871,404.96/17,760,613.68 = 7,363,905/x
3. Step 3: Cross multiply
   12,871,404.96x = 17,760,613.68 × 7,363,905
4. Step 4: Simplify right side
   12,871,404.96x = 130,787,471,881,220.39
5. Step 5: Solve for x
   x = 130,787,471,881,220.39/12,871,404.96
6. Step 6: Final answer
   x = 10,161,087.49