Finding the Fourth Proportional to 116,818.88, 161,210.12 and 63,103.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,818.88 : 161,210.12 = 63,103.86 : x
2. Step 2: Convert to fraction form
   116,818.88/161,210.12 = 63,103.86/x
3. Step 3: Cross multiply
   116,818.88x = 161,210.12 × 63,103.86
4. Step 4: Simplify right side
   116,818.88x = 10,172,980,527.54
5. Step 5: Solve for x
   x = 10,172,980,527.54/116,818.88
6. Step 6: Final answer
   x = 87,083.36