Finding the Fourth Proportional to 38,670.82, 53,365.71 and 21,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   38,670.82 : 53,365.71 = 21,903.82 : x
2. Step 2: Convert to fraction form
   38,670.82/53,365.71 = 21,903.82/x
3. Step 3: Cross multiply
   38,670.82x = 53,365.71 × 21,903.82
4. Step 4: Simplify right side
   38,670.82x = 1,168,912,906.01
5. Step 5: Solve for x
   x = 1,168,912,906.01/38,670.82
6. Step 6: Final answer
   x = 30,227.26