Finding the Fourth Proportional to 76,814.83, 106,012.33 and 42,828.85

Step by Step Solution

1. Step 1: Write the proportion equation
   76,814.83 : 106,012.33 = 42,828.85 : x
2. Step 2: Convert to fraction form
   76,814.83/106,012.33 = 42,828.85/x
3. Step 3: Cross multiply
   76,814.83x = 106,012.33 × 42,828.85
4. Step 4: Simplify right side
   76,814.83x = 4,540,385,435.51
5. Step 5: Solve for x
   x = 4,540,385,435.51/76,814.83
6. Step 6: Final answer
   x = 59,108.19