Finding the Fourth Proportional to 55,002.83, 75,897.60 and 30,800.42

Step by Step Solution

1. Step 1: Write the proportion equation
   55,002.83 : 75,897.60 = 30,800.42 : x
2. Step 2: Convert to fraction form
   55,002.83/75,897.60 = 30,800.42/x
3. Step 3: Cross multiply
   55,002.83x = 75,897.60 × 30,800.42
4. Step 4: Simplify right side
   55,002.83x = 2,337,677,577.50
5. Step 5: Solve for x
   x = 2,337,677,577.50/55,002.83
6. Step 6: Final answer
   x = 42,501.05