Finding the Fourth Proportional to 76,314.87, 105,314.83 and 42,326.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,314.87 : 105,314.83 = 42,326.53 : x
2. Step 2: Convert to fraction form
   76,314.87/105,314.83 = 42,326.53/x
3. Step 3: Cross multiply
   76,314.87x = 105,314.83 × 42,326.53
4. Step 4: Simplify right side
   76,314.87x = 4,457,611,311.44
5. Step 5: Solve for x
   x = 4,457,611,311.44/76,314.87
6. Step 6: Final answer
   x = 58,410.78