Finding the Fourth Proportional to 55,350.63, 83,019.78 and 19,810.53

Step by Step Solution

1. Step 1: Write the proportion equation
   55,350.63 : 83,019.78 = 19,810.53 : x
2. Step 2: Convert to fraction form
   55,350.63/83,019.78 = 19,810.53/x
3. Step 3: Cross multiply
   55,350.63x = 83,019.78 × 19,810.53
4. Step 4: Simplify right side
   55,350.63x = 1,644,665,842.28
5. Step 5: Solve for x
   x = 1,644,665,842.28/55,350.63
6. Step 6: Final answer
   x = 29,713.59