Finding the Fourth Proportional to 112,947.55, 155,935.16 and 70,563.49

Step by Step Solution

1. Step 1: Write the proportion equation
   112,947.55 : 155,935.16 = 70,563.49 : x
2. Step 2: Convert to fraction form
   112,947.55/155,935.16 = 70,563.49/x
3. Step 3: Cross multiply
   112,947.55x = 155,935.16 × 70,563.49
4. Step 4: Simplify right side
   112,947.55x = 11,003,329,103.31
5. Step 5: Solve for x
   x = 11,003,329,103.31/112,947.55
6. Step 6: Final answer
   x = 97,419.81