Finding the Fourth Proportional to 55,457.86, 83,193.70 and 21,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,457.86 : 83,193.70 = 21,719.52 : x
2. Step 2: Convert to fraction form
   55,457.86/83,193.70 = 21,719.52/x
3. Step 3: Cross multiply
   55,457.86x = 83,193.70 × 21,719.52
4. Step 4: Simplify right side
   55,457.86x = 1,806,927,231.02
5. Step 5: Solve for x
   x = 1,806,927,231.02/55,457.86
6. Step 6: Final answer
   x = 32,581.99