Finding the Fourth Proportional to 142,669.52, 196,881.32 and 79,007.12

Step by Step Solution

1. Step 1: Write the proportion equation
   142,669.52 : 196,881.32 = 79,007.12 : x
2. Step 2: Convert to fraction form
   142,669.52/196,881.32 = 79,007.12/x
3. Step 3: Cross multiply
   142,669.52x = 196,881.32 × 79,007.12
4. Step 4: Simplify right side
   142,669.52x = 15,555,026,075.00
5. Step 5: Solve for x
   x = 15,555,026,075.00/142,669.52
6. Step 6: Final answer
   x = 109,028.38