Finding the Fourth Proportional to 91,618.56, 126,472.32 and 59,814.72

Step by Step Solution

1. Step 1: Write the proportion equation
   91,618.56 : 126,472.32 = 59,814.72 : x
2. Step 2: Convert to fraction form
   91,618.56/126,472.32 = 59,814.72/x
3. Step 3: Cross multiply
   91,618.56x = 126,472.32 × 59,814.72
4. Step 4: Simplify right side
   91,618.56x = 7,564,906,408.55
5. Step 5: Solve for x
   x = 7,564,906,408.55/91,618.56
6. Step 6: Final answer
   x = 82,569.58