Finding the Fourth Proportional to 76,914.94, 106,142.64 and 42,459.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,914.94 : 106,142.64 = 42,459.69 : x
2. Step 2: Convert to fraction form
   76,914.94/106,142.64 = 42,459.69/x
3. Step 3: Cross multiply
   76,914.94x = 106,142.64 × 42,459.69
4. Step 4: Simplify right side
   76,914.94x = 4,506,783,590.18
5. Step 5: Solve for x
   x = 4,506,783,590.18/76,914.94
6. Step 6: Final answer
   x = 58,594.38