Finding the Fourth Proportional to 112,943.41, 155,866.50 and 67,612.37

Step by Step Solution

1. Step 1: Write the proportion equation
   112,943.41 : 155,866.50 = 67,612.37 : x
2. Step 2: Convert to fraction form
   112,943.41/155,866.50 = 67,612.37/x
3. Step 3: Cross multiply
   112,943.41x = 155,866.50 × 67,612.37
4. Step 4: Simplify right side
   112,943.41x = 10,538,503,756.18
5. Step 5: Solve for x
   x = 10,538,503,756.18/112,943.41
6. Step 6: Final answer
   x = 93,307.82