Finding the Fourth Proportional to 49,045.77, 73,569.33 and 13,985.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,045.77 : 73,569.33 = 13,985.42 : x
2. Step 2: Convert to fraction form
   49,045.77/73,569.33 = 13,985.42/x
3. Step 3: Cross multiply
   49,045.77x = 73,569.33 × 13,985.42
4. Step 4: Simplify right side
   49,045.77x = 1,028,897,541.39
5. Step 5: Solve for x
   x = 1,028,897,541.39/49,045.77
6. Step 6: Final answer
   x = 20,978.32