Finding the Fourth Proportional to 62,845.02, 86,736.60 and 60,768.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,845.02 : 86,736.60 = 60,768.30 : x
2. Step 2: Convert to fraction form
   62,845.02/86,736.60 = 60,768.30/x
3. Step 3: Cross multiply
   62,845.02x = 86,736.60 × 60,768.30
4. Step 4: Simplify right side
   62,845.02x = 5,270,835,729.78
5. Step 5: Solve for x
   x = 5,270,835,729.78/62,845.02
6. Step 6: Final answer
   x = 83,870.38