Finding the Fourth Proportional to 112,947.30, 155,934.81 and 70,563.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,947.30 : 155,934.81 = 70,563.24 : x
2. Step 2: Convert to fraction form
   112,947.30/155,934.81 = 70,563.24/x
3. Step 3: Cross multiply
   112,947.30x = 155,934.81 × 70,563.24
4. Step 4: Simplify right side
   112,947.30x = 11,003,265,422.38
5. Step 5: Solve for x
   x = 11,003,265,422.38/112,947.30
6. Step 6: Final answer
   x = 97,419.46