Finding the Fourth Proportional to 142,597.30, 214,106.22 and 79,540.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,597.30 : 214,106.22 = 79,540.62 : x
2. Step 2: Convert to fraction form
   142,597.30/214,106.22 = 79,540.62/x
3. Step 3: Cross multiply
   142,597.30x = 214,106.22 × 79,540.62
4. Step 4: Simplify right side
   142,597.30x = 17,030,141,484.66
5. Step 5: Solve for x
   x = 17,030,141,484.66/142,597.30
6. Step 6: Final answer
   x = 119,428.22