Finding the Fourth Proportional to 116,688.50, 175,058.67 and 42,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,688.50 : 175,058.67 = 42,816.50 : x
2. Step 2: Convert to fraction form
   116,688.50/175,058.67 = 42,816.50/x
3. Step 3: Cross multiply
   116,688.50x = 175,058.67 × 42,816.50
4. Step 4: Simplify right side
   116,688.50x = 7,495,399,544.06
5. Step 5: Solve for x
   x = 7,495,399,544.06/116,688.50
6. Step 6: Final answer
   x = 64,234.26