Finding the Fourth Proportional to 76,216.94, 105,178.02 and 42,225.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,216.94 : 105,178.02 = 42,225.32 : x
2. Step 2: Convert to fraction form
   76,216.94/105,178.02 = 42,225.32/x
3. Step 3: Cross multiply
   76,216.94x = 105,178.02 × 42,225.32
4. Step 4: Simplify right side
   76,216.94x = 4,441,175,551.47
5. Step 5: Solve for x
   x = 4,441,175,551.47/76,216.94
6. Step 6: Final answer
   x = 58,270.19