Finding the Fourth Proportional to 82,111,406.62, 113,301,552.44 and 49,871,082.74

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111,406.62 : 113,301,552.44 = 49,871,082.74 : x
2. Step 2: Convert to fraction form
   82,111,406.62/113,301,552.44 = 49,871,082.74/x
3. Step 3: Cross multiply
   82,111,406.62x = 113,301,552.44 × 49,871,082.74
4. Step 4: Simplify right side
   82,111,406.62x = 5,650,471,096,305,689
5. Step 5: Solve for x
   x = 5,650,471,096,305,689/82,111,406.62
6. Step 6: Final answer
   x = 68,814,691.27