Finding the Fourth Proportional to 52,477.05, 72,417.59 and 28,603.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,477.05 : 72,417.59 = 28,603.82 : x
2. Step 2: Convert to fraction form
   52,477.05/72,417.59 = 28,603.82/x
3. Step 3: Cross multiply
   52,477.05x = 72,417.59 × 28,603.82
4. Step 4: Simplify right side
   52,477.05x = 2,071,419,311.35
5. Step 5: Solve for x
   x = 2,071,419,311.35/52,477.05
6. Step 6: Final answer
   x = 39,472.86