Finding the Fourth Proportional to 117,305.42, 175,958.15 and 42,423.89

Step by Step Solution

1. Step 1: Write the proportion equation
   117,305.42 : 175,958.15 = 42,423.89 : x
2. Step 2: Convert to fraction form
   117,305.42/175,958.15 = 42,423.89/x
3. Step 3: Cross multiply
   117,305.42x = 175,958.15 × 42,423.89
4. Step 4: Simplify right side
   117,305.42x = 7,464,828,108.29
5. Step 5: Solve for x
   x = 7,464,828,108.29/117,305.42
6. Step 6: Final answer
   x = 63,635.84