Finding the Fourth Proportional to 55,444.91, 83,111.94 and 19,896.57

Step by Step Solution

1. Step 1: Write the proportion equation
   55,444.91 : 83,111.94 = 19,896.57 : x
2. Step 2: Convert to fraction form
   55,444.91/83,111.94 = 19,896.57/x
3. Step 3: Cross multiply
   55,444.91x = 83,111.94 × 19,896.57
4. Step 4: Simplify right side
   55,444.91x = 1,653,642,532.05
5. Step 5: Solve for x
   x = 1,653,642,532.05/55,444.91
6. Step 6: Final answer
   x = 29,824.97