Finding the Fourth Proportional to 82,111,402.62, 113,301,546.93 and 49,871,078.73

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111,402.62 : 113,301,546.93 = 49,871,078.73 : x
2. Step 2: Convert to fraction form
   82,111,402.62/113,301,546.93 = 49,871,078.73/x
3. Step 3: Cross multiply
   82,111,402.62x = 113,301,546.93 × 49,871,078.73
4. Step 4: Simplify right side
   82,111,402.62x = 5,650,470,367,176,820
5. Step 5: Solve for x
   x = 5,650,470,367,176,820/82,111,402.62
6. Step 6: Final answer
   x = 68,814,685.74