Finding the Fourth Proportional to 76,813.87, 106,003.59 and 42,824.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,813.87 : 106,003.59 = 42,824.50 : x
2. Step 2: Convert to fraction form
   76,813.87/106,003.59 = 42,824.50/x
3. Step 3: Cross multiply
   76,813.87x = 106,003.59 × 42,824.50
4. Step 4: Simplify right side
   76,813.87x = 4,539,550,314.35
5. Step 5: Solve for x
   x = 4,539,550,314.35/76,813.87
6. Step 6: Final answer
   x = 59,098.06