Finding the Fourth Proportional to 82,986,390.78, 114,531,261.50 and 47,231,524.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,986,390.78 : 114,531,261.50 = 47,231,524.83 : x
2. Step 2: Convert to fraction form
   82,986,390.78/114,531,261.50 = 47,231,524.83/x
3. Step 3: Cross multiply
   82,986,390.78x = 114,531,261.50 × 47,231,524.83
4. Step 4: Simplify right side
   82,986,390.78x = 5,409,486,120,825,988
5. Step 5: Solve for x
   x = 5,409,486,120,825,988/82,986,390.78
6. Step 6: Final answer
   x = 65,185,219.77