Finding the Fourth Proportional to 202,973.37, 280,103.79 and 112,335.59

Step by Step Solution

1. Step 1: Write the proportion equation
   202,973.37 : 280,103.79 = 112,335.59 : x
2. Step 2: Convert to fraction form
   202,973.37/280,103.79 = 112,335.59/x
3. Step 3: Cross multiply
   202,973.37x = 280,103.79 × 112,335.59
4. Step 4: Simplify right side
   202,973.37x = 31,465,624,510.89
5. Step 5: Solve for x
   x = 31,465,624,510.89/202,973.37
6. Step 6: Final answer
   x = 155,023.41