Finding the Fourth Proportional to 117,513.72, 176,270.28 and 42,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,513.72 : 176,270.28 = 42,633.72 : x
2. Step 2: Convert to fraction form
   117,513.72/176,270.28 = 42,633.72/x
3. Step 3: Cross multiply
   117,513.72x = 176,270.28 × 42,633.72
4. Step 4: Simplify right side
   117,513.72x = 7,515,057,761.84
5. Step 5: Solve for x
   x = 7,515,057,761.84/117,513.72
6. Step 6: Final answer
   x = 63,950.47