Finding the Fourth Proportional to 83,215.62, 114,838.32 and 47,405.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,215.62 : 114,838.32 = 47,405.10 : x
2. Step 2: Convert to fraction form
   83,215.62/114,838.32 = 47,405.10/x
3. Step 3: Cross multiply
   83,215.62x = 114,838.32 × 47,405.10
4. Step 4: Simplify right side
   83,215.62x = 5,443,922,043.43
5. Step 5: Solve for x
   x = 5,443,922,043.43/83,215.62
6. Step 6: Final answer
   x = 65,419.47