Finding the Fourth Proportional to 76,408.34, 105,441.84 and 42,414.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,408.34 : 105,441.84 = 42,414.84 : x
2. Step 2: Convert to fraction form
   76,408.34/105,441.84 = 42,414.84/x
3. Step 3: Cross multiply
   76,408.34x = 105,441.84 × 42,414.84
4. Step 4: Simplify right side
   76,408.34x = 4,472,298,772.91
5. Step 5: Solve for x
   x = 4,472,298,772.91/76,408.34
6. Step 6: Final answer
   x = 58,531.55