Finding the Fourth Proportional to 142,803, 197,068.14 and 79,150.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,803 : 197,068.14 = 79,150.37 : x
2. Step 2: Convert to fraction form
   142,803/197,068.14 = 79,150.37/x
3. Step 3: Cross multiply
   142,803x = 197,068.14 × 79,150.37
4. Step 4: Simplify right side
   142,803x = 15,598,015,210.87
5. Step 5: Solve for x
   x = 15,598,015,210.87/142,803
6. Step 6: Final answer
   x = 109,227.50