Finding the Fourth Proportional to 101,081.56, 151,715.72 and 51,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,081.56 : 151,715.72 = 51,196.72 : x
2. Step 2: Convert to fraction form
   101,081.56/151,715.72 = 51,196.72/x
3. Step 3: Cross multiply
   101,081.56x = 151,715.72 × 51,196.72
4. Step 4: Simplify right side
   101,081.56x = 7,767,347,236.44
5. Step 5: Solve for x
   x = 7,767,347,236.44/101,081.56
6. Step 6: Final answer
   x = 76,842.38