Finding the Fourth Proportional to 131,494.72, 197,106 and 64,845.76

Step by Step Solution

1. Step 1: Write the proportion equation
   131,494.72 : 197,106 = 64,845.76 : x
2. Step 2: Convert to fraction form
   131,494.72/197,106 = 64,845.76/x
3. Step 3: Cross multiply
   131,494.72x = 197,106 × 64,845.76
4. Step 4: Simplify right side
   131,494.72x = 12,781,488,370.56
5. Step 5: Solve for x
   x = 12,781,488,370.56/131,494.72
6. Step 6: Final answer
   x = 97,201.53