Finding the Fourth Proportional to 143,238.84, 197,669.52 and 79,582.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,238.84 : 197,669.52 = 79,582.56 : x
2. Step 2: Convert to fraction form
   143,238.84/197,669.52 = 79,582.56/x
3. Step 3: Cross multiply
   143,238.84x = 197,669.52 × 79,582.56
4. Step 4: Simplify right side
   143,238.84x = 15,731,046,435.57
5. Step 5: Solve for x
   x = 15,731,046,435.57/143,238.84
6. Step 6: Final answer
   x = 109,823.89