Finding the Fourth Proportional to 112,947.47, 155,841.34 and 67,608.21

Step by Step Solution

1. Step 1: Write the proportion equation
   112,947.47 : 155,841.34 = 67,608.21 : x
2. Step 2: Convert to fraction form
   112,947.47/155,841.34 = 67,608.21/x
3. Step 3: Cross multiply
   112,947.47x = 155,841.34 × 67,608.21
4. Step 4: Simplify right side
   112,947.47x = 10,536,154,261.98
5. Step 5: Solve for x
   x = 10,536,154,261.98/112,947.47
6. Step 6: Final answer
   x = 93,283.67