Finding the Fourth Proportional to 76,828.86, 106,016.07 and 42,834.15

Step by Step Solution

1. Step 1: Write the proportion equation
   76,828.86 : 106,016.07 = 42,834.15 : x
2. Step 2: Convert to fraction form
   76,828.86/106,016.07 = 42,834.15/x
3. Step 3: Cross multiply
   76,828.86x = 106,016.07 × 42,834.15
4. Step 4: Simplify right side
   76,828.86x = 4,541,108,244.79
5. Step 5: Solve for x
   x = 4,541,108,244.79/76,828.86
6. Step 6: Final answer
   x = 59,106.80