Finding the Fourth Proportional to 147,018.94, 202,969.26 and 112,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   147,018.94 : 202,969.26 = 112,498.78 : x
2. Step 2: Convert to fraction form
   147,018.94/202,969.26 = 112,498.78/x
3. Step 3: Cross multiply
   147,018.94x = 202,969.26 × 112,498.78
4. Step 4: Simplify right side
   147,018.94x = 22,833,794,127.50
5. Step 5: Solve for x
   x = 22,833,794,127.50/147,018.94
6. Step 6: Final answer
   x = 155,311.92