Finding the Fourth Proportional to 76,192.30, 114,189.10 and 42,456.91

Step by Step Solution

1. Step 1: Write the proportion equation
   76,192.30 : 114,189.10 = 42,456.91 : x
2. Step 2: Convert to fraction form
   76,192.30/114,189.10 = 42,456.91/x
3. Step 3: Cross multiply
   76,192.30x = 114,189.10 × 42,456.91
4. Step 4: Simplify right side
   76,192.30x = 4,848,115,558.45
5. Step 5: Solve for x
   x = 4,848,115,558.45/76,192.30
6. Step 6: Final answer
   x = 63,629.99