Finding the Fourth Proportional to 113,111.64, 169,514.37 and 42,952.68

Step by Step Solution

1. Step 1: Write the proportion equation
   113,111.64 : 169,514.37 = 42,952.68 : x
2. Step 2: Convert to fraction form
   113,111.64/169,514.37 = 42,952.68/x
3. Step 3: Cross multiply
   113,111.64x = 169,514.37 × 42,952.68
4. Step 4: Simplify right side
   113,111.64x = 7,281,096,490.01
5. Step 5: Solve for x
   x = 7,281,096,490.01/113,111.64
6. Step 6: Final answer
   x = 64,370.89