Finding the Fourth Proportional to 60,673.34, 91,050.98 and 21,230.79

Step by Step Solution

1. Step 1: Write the proportion equation
   60,673.34 : 91,050.98 = 21,230.79 : x
2. Step 2: Convert to fraction form
   60,673.34/91,050.98 = 21,230.79/x
3. Step 3: Cross multiply
   60,673.34x = 91,050.98 × 21,230.79
4. Step 4: Simplify right side
   60,673.34x = 1,933,084,129.52
5. Step 5: Solve for x
   x = 1,933,084,129.52/60,673.34
6. Step 6: Final answer
   x = 31,860.52