Finding the Fourth Proportional to 117,701.56, 176,496.88 and 42,769

Step by Step Solution

1. Step 1: Write the proportion equation
   117,701.56 : 176,496.88 = 42,769 : x
2. Step 2: Convert to fraction form
   117,701.56/176,496.88 = 42,769/x
3. Step 3: Cross multiply
   117,701.56x = 176,496.88 × 42,769
4. Step 4: Simplify right side
   117,701.56x = 7,548,595,060.72
5. Step 5: Solve for x
   x = 7,548,595,060.72/117,701.56
6. Step 6: Final answer
   x = 64,133.35