Finding the Fourth Proportional to 60,481.47, 83,501.79 and 38,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   60,481.47 : 83,501.79 = 38,978.82 : x
2. Step 2: Convert to fraction form
   60,481.47/83,501.79 = 38,978.82/x
3. Step 3: Cross multiply
   60,481.47x = 83,501.79 × 38,978.82
4. Step 4: Simplify right side
   60,481.47x = 3,254,801,242.09
5. Step 5: Solve for x
   x = 3,254,801,242.09/60,481.47
6. Step 6: Final answer
   x = 53,814.85