Finding the Fourth Proportional to 55,541.30, 83,290.68 and 19,992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,541.30 : 83,290.68 = 19,992.42 : x
2. Step 2: Convert to fraction form
   55,541.30/83,290.68 = 19,992.42/x
3. Step 3: Cross multiply
   55,541.30x = 83,290.68 × 19,992.42
4. Step 4: Simplify right side
   55,541.30x = 1,665,182,256.65
5. Step 5: Solve for x
   x = 1,665,182,256.65/55,541.30
6. Step 6: Final answer
   x = 29,980.98