Finding the Fourth Proportional to 82,111,403.62, 113,301,548.31 and 49,871,079.73

Step by Step Solution

1. Step 1: Write the proportion equation
   82,111,403.62 : 113,301,548.31 = 49,871,079.73 : x
2. Step 2: Convert to fraction form
   82,111,403.62/113,301,548.31 = 49,871,079.73/x
3. Step 3: Cross multiply
   82,111,403.62x = 113,301,548.31 × 49,871,079.73
4. Step 4: Simplify right side
   82,111,403.62x = 5,650,470,549,300,457
5. Step 5: Solve for x
   x = 5,650,470,549,300,457/82,111,403.62
6. Step 6: Final answer
   x = 68,814,687.12