Finding the Fourth Proportional to 128,956.56, 193,404.60 and 62,363.76

Step by Step Solution

1. Step 1: Write the proportion equation
   128,956.56 : 193,404.60 = 62,363.76 : x
2. Step 2: Convert to fraction form
   128,956.56/193,404.60 = 62,363.76/x
3. Step 3: Cross multiply
   128,956.56x = 193,404.60 × 62,363.76
4. Step 4: Simplify right side
   128,956.56x = 12,061,438,057.30
5. Step 5: Solve for x
   x = 12,061,438,057.30/128,956.56
6. Step 6: Final answer
   x = 93,531.02