Finding the Fourth Proportional to 143,320.39, 197,835.82 and 107,613.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,320.39 : 197,835.82 = 107,613.56 : x
2. Step 2: Convert to fraction form
   143,320.39/197,835.82 = 107,613.56/x
3. Step 3: Cross multiply
   143,320.39x = 197,835.82 × 107,613.56
4. Step 4: Simplify right side
   143,320.39x = 21,289,817,111.27
5. Step 5: Solve for x
   x = 21,289,817,111.27/143,320.39
6. Step 6: Final answer
   x = 148,547.02