Finding the Fourth Proportional to 117,574.35, 176,310.50 and 42,669.60

Step by Step Solution

1. Step 1: Write the proportion equation
   117,574.35 : 176,310.50 = 42,669.60 : x
2. Step 2: Convert to fraction form
   117,574.35/176,310.50 = 42,669.60/x
3. Step 3: Cross multiply
   117,574.35x = 176,310.50 × 42,669.60
4. Step 4: Simplify right side
   117,574.35x = 7,523,098,297.45
5. Step 5: Solve for x
   x = 7,523,098,297.45/117,574.35
6. Step 6: Final answer
   x = 63,985.88