Finding the Fourth Proportional to 116,429.50, 160,672.72 and 63,437.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,429.50 : 160,672.72 = 63,437.50 : x
2. Step 2: Convert to fraction form
   116,429.50/160,672.72 = 63,437.50/x
3. Step 3: Cross multiply
   116,429.50x = 160,672.72 × 63,437.50
4. Step 4: Simplify right side
   116,429.50x = 10,192,675,675
5. Step 5: Solve for x
   x = 10,192,675,675/116,429.50
6. Step 6: Final answer
   x = 87,543.76