Finding the Fourth Proportional to 52,477.96, 72,417.48 and 28,604.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,477.96 : 72,417.48 = 28,604.12 : x
2. Step 2: Convert to fraction form
   52,477.96/72,417.48 = 28,604.12/x
3. Step 3: Cross multiply
   52,477.96x = 72,417.48 × 28,604.12
4. Step 4: Simplify right side
   52,477.96x = 2,071,438,288.02
5. Step 5: Solve for x
   x = 2,071,438,288.02/52,477.96
6. Step 6: Final answer
   x = 39,472.54