Finding the Fourth Proportional to 60,897.83, 91,383.19 and 21,488.09

Step by Step Solution

1. Step 1: Write the proportion equation
   60,897.83 : 91,383.19 = 21,488.09 : x
2. Step 2: Convert to fraction form
   60,897.83/91,383.19 = 21,488.09/x
3. Step 3: Cross multiply
   60,897.83x = 91,383.19 × 21,488.09
4. Step 4: Simplify right side
   60,897.83x = 1,963,649,700.57
5. Step 5: Solve for x
   x = 1,963,649,700.57/60,897.83
6. Step 6: Final answer
   x = 32,244.99