Finding the Fourth Proportional to 55,457.88, 83,193.69 and 21,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,457.88 : 83,193.69 = 21,719.52 : x
2. Step 2: Convert to fraction form
   55,457.88/83,193.69 = 21,719.52/x
3. Step 3: Cross multiply
   55,457.88x = 83,193.69 × 21,719.52
4. Step 4: Simplify right side
   55,457.88x = 1,806,927,013.83
5. Step 5: Solve for x
   x = 1,806,927,013.83/55,457.88
6. Step 6: Final answer
   x = 32,581.97