Finding the Fourth Proportional to 55,531.83, 83,313.90 and 19,992.51

Step by Step Solution

1. Step 1: Write the proportion equation
   55,531.83 : 83,313.90 = 19,992.51 : x
2. Step 2: Convert to fraction form
   55,531.83/83,313.90 = 19,992.51/x
3. Step 3: Cross multiply
   55,531.83x = 83,313.90 × 19,992.51
4. Step 4: Simplify right side
   55,531.83x = 1,665,653,978.89
5. Step 5: Solve for x
   x = 1,665,653,978.89/55,531.83
6. Step 6: Final answer
   x = 29,994.58