Finding the Fourth Proportional to 131,513.56, 197,141.12 and 51,492.84

Step by Step Solution

1. Step 1: Write the proportion equation
   131,513.56 : 197,141.12 = 51,492.84 : x
2. Step 2: Convert to fraction form
   131,513.56/197,141.12 = 51,492.84/x
3. Step 3: Cross multiply
   131,513.56x = 197,141.12 × 51,492.84
4. Step 4: Simplify right side
   131,513.56x = 10,151,356,149.58
5. Step 5: Solve for x
   x = 10,151,356,149.58/131,513.56
6. Step 6: Final answer
   x = 77,188.67