Finding the Fourth Proportional to 52,031.79, 71,804.00 and 28,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,031.79 : 71,804.00 = 28,158.72 : x
2. Step 2: Convert to fraction form
   52,031.79/71,804.00 = 28,158.72/x
3. Step 3: Cross multiply
   52,031.79x = 71,804.00 × 28,158.72
4. Step 4: Simplify right side
   52,031.79x = 2,021,908,590.09
5. Step 5: Solve for x
   x = 2,021,908,590.09/52,031.79
6. Step 6: Final answer
   x = 38,859.10