Finding the Fourth Proportional to 55,900.04, 83,839.35 and 21,705.81

Step by Step Solution

1. Step 1: Write the proportion equation
   55,900.04 : 83,839.35 = 21,705.81 : x
2. Step 2: Convert to fraction form
   55,900.04/83,839.35 = 21,705.81/x
3. Step 3: Cross multiply
   55,900.04x = 83,839.35 × 21,705.81
4. Step 4: Simplify right side
   55,900.04x = 1,819,801,001.62
5. Step 5: Solve for x
   x = 1,819,801,001.62/55,900.04
6. Step 6: Final answer
   x = 32,554.56