Finding the Fourth Proportional to 114,045.48, 171,077.79 and 42,018

Step by Step Solution

1. Step 1: Write the proportion equation
   114,045.48 : 171,077.79 = 42,018 : x
2. Step 2: Convert to fraction form
   114,045.48/171,077.79 = 42,018/x
3. Step 3: Cross multiply
   114,045.48x = 171,077.79 × 42,018
4. Step 4: Simplify right side
   114,045.48x = 7,188,346,580.22
5. Step 5: Solve for x
   x = 7,188,346,580.22/114,045.48
6. Step 6: Final answer
   x = 63,030.53