Finding the Fourth Proportional to 142,981.02, 197,337.46 and 79,339.32

Step by Step Solution

1. Step 1: Write the proportion equation
   142,981.02 : 197,337.46 = 79,339.32 : x
2. Step 2: Convert to fraction form
   142,981.02/197,337.46 = 79,339.32/x
3. Step 3: Cross multiply
   142,981.02x = 197,337.46 × 79,339.32
4. Step 4: Simplify right side
   142,981.02x = 15,656,619,886.93
5. Step 5: Solve for x
   x = 15,656,619,886.93/142,981.02
6. Step 6: Final answer
   x = 109,501.39