Finding the Fourth Proportional to 113,118.52, 169,699.64 and 42,992.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,118.52 : 169,699.64 = 42,992.37 : x
2. Step 2: Convert to fraction form
   113,118.52/169,699.64 = 42,992.37/x
3. Step 3: Cross multiply
   113,118.52x = 169,699.64 × 42,992.37
4. Step 4: Simplify right side
   113,118.52x = 7,295,789,711.75
5. Step 5: Solve for x
   x = 7,295,789,711.75/113,118.52
6. Step 6: Final answer
   x = 64,496.86