Finding the Fourth Proportional to 112,672.50, 155,488.05 and 62,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,672.50 : 155,488.05 = 62,371.50 : x
2. Step 2: Convert to fraction form
   112,672.50/155,488.05 = 62,371.50/x
3. Step 3: Cross multiply
   112,672.50x = 155,488.05 × 62,371.50
4. Step 4: Simplify right side
   112,672.50x = 9,698,022,910.58
5. Step 5: Solve for x
   x = 9,698,022,910.58/112,672.50
6. Step 6: Final answer
   x = 86,072.67