Finding the Fourth Proportional to 142,156.38, 196,089.33 and 84,758.04

Step by Step Solution

1. Step 1: Write the proportion equation
   142,156.38 : 196,089.33 = 84,758.04 : x
2. Step 2: Convert to fraction form
   142,156.38/196,089.33 = 84,758.04/x
3. Step 3: Cross multiply
   142,156.38x = 196,089.33 × 84,758.04
4. Step 4: Simplify right side
   142,156.38x = 16,620,147,275.71
5. Step 5: Solve for x
   x = 16,620,147,275.71/142,156.38
6. Step 6: Final answer
   x = 116,914.54