Finding the Fourth Proportional to 55,032.55, 82,561.41 and 19,972.19

Step by Step Solution

1. Step 1: Write the proportion equation
   55,032.55 : 82,561.41 = 19,972.19 : x
2. Step 2: Convert to fraction form
   55,032.55/82,561.41 = 19,972.19/x
3. Step 3: Cross multiply
   55,032.55x = 82,561.41 × 19,972.19
4. Step 4: Simplify right side
   55,032.55x = 1,648,932,373.59
5. Step 5: Solve for x
   x = 1,648,932,373.59/55,032.55
6. Step 6: Final answer
   x = 29,962.86