Finding the Fourth Proportional to 143,185.93, 197,618.12 and 103,032.61

Step by Step Solution

1. Step 1: Write the proportion equation
   143,185.93 : 197,618.12 = 103,032.61 : x
2. Step 2: Convert to fraction form
   143,185.93/197,618.12 = 103,032.61/x
3. Step 3: Cross multiply
   143,185.93x = 197,618.12 × 103,032.61
4. Step 4: Simplify right side
   143,185.93x = 20,361,110,686.89
5. Step 5: Solve for x
   x = 20,361,110,686.89/143,185.93
6. Step 6: Final answer
   x = 142,200.50