Finding the Fourth Proportional to 38,820.83, 53,566.20 and 21,822.84

Step by Step Solution

1. Step 1: Write the proportion equation
   38,820.83 : 53,566.20 = 21,822.84 : x
2. Step 2: Convert to fraction form
   38,820.83/53,566.20 = 21,822.84/x
3. Step 3: Cross multiply
   38,820.83x = 53,566.20 × 21,822.84
4. Step 4: Simplify right side
   38,820.83x = 1,168,966,612.01
5. Step 5: Solve for x
   x = 1,168,966,612.01/38,820.83
6. Step 6: Final answer
   x = 30,111.84