Finding the Fourth Proportional to 117,674.86, 176,456.84 and 42,742.16

Step by Step Solution

1. Step 1: Write the proportion equation
   117,674.86 : 176,456.84 = 42,742.16 : x
2. Step 2: Convert to fraction form
   117,674.86/176,456.84 = 42,742.16/x
3. Step 3: Cross multiply
   117,674.86x = 176,456.84 × 42,742.16
4. Step 4: Simplify right side
   117,674.86x = 7,542,146,488.37
5. Step 5: Solve for x
   x = 7,542,146,488.37/117,674.86
6. Step 6: Final answer
   x = 64,093.10