Finding the Fourth Proportional to 131,870, 197,814.12 and 52,984.16

Step by Step Solution

1. Step 1: Write the proportion equation
   131,870 : 197,814.12 = 52,984.16 : x
2. Step 2: Convert to fraction form
   131,870/197,814.12 = 52,984.16/x
3. Step 3: Cross multiply
   131,870x = 197,814.12 × 52,984.16
4. Step 4: Simplify right side
   131,870x = 10,481,014,984.34
5. Step 5: Solve for x
   x = 10,481,014,984.34/131,870
6. Step 6: Final answer
   x = 79,479.90