Finding the Fourth Proportional to 117,703.56, 176,499.88 and 42,771

Step by Step Solution

1. Step 1: Write the proportion equation
   117,703.56 : 176,499.88 = 42,771 : x
2. Step 2: Convert to fraction form
   117,703.56/176,499.88 = 42,771/x
3. Step 3: Cross multiply
   117,703.56x = 176,499.88 × 42,771
4. Step 4: Simplify right side
   117,703.56x = 7,549,076,367.48
5. Step 5: Solve for x
   x = 7,549,076,367.48/117,703.56
6. Step 6: Final answer
   x = 64,136.35