Finding the Fourth Proportional to 62,940.21, 86,830.17 and 36,076.56

Step by Step Solution

1. Step 1: Write the proportion equation
   62,940.21 : 86,830.17 = 36,076.56 : x
2. Step 2: Convert to fraction form
   62,940.21/86,830.17 = 36,076.56/x
3. Step 3: Cross multiply
   62,940.21x = 86,830.17 × 36,076.56
4. Step 4: Simplify right side
   62,940.21x = 3,132,533,837.82
5. Step 5: Solve for x
   x = 3,132,533,837.82/62,940.21
6. Step 6: Final answer
   x = 49,769.99