Finding the Fourth Proportional to 112,683.56, 155,453.68 and 67,338.74

Step by Step Solution

1. Step 1: Write the proportion equation
   112,683.56 : 155,453.68 = 67,338.74 : x
2. Step 2: Convert to fraction form
   112,683.56/155,453.68 = 67,338.74/x
3. Step 3: Cross multiply
   112,683.56x = 155,453.68 × 67,338.74
4. Step 4: Simplify right side
   112,683.56x = 10,468,055,412.37
5. Step 5: Solve for x
   x = 10,468,055,412.37/112,683.56
6. Step 6: Final answer
   x = 92,897.81