Finding the Fourth Proportional to 83,221.61, 114,839.60 and 47,404.62

Step by Step Solution

1. Step 1: Write the proportion equation
   83,221.61 : 114,839.60 = 47,404.62 : x
2. Step 2: Convert to fraction form
   83,221.61/114,839.60 = 47,404.62/x
3. Step 3: Cross multiply
   83,221.61x = 114,839.60 × 47,404.62
4. Step 4: Simplify right side
   83,221.61x = 5,443,927,361.93
5. Step 5: Solve for x
   x = 5,443,927,361.93/83,221.61
6. Step 6: Final answer
   x = 65,414.83