Finding the Fourth Proportional to 52,080.23, 71,870.72 and 28,206.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,080.23 : 71,870.72 = 28,206.96 : x
2. Step 2: Convert to fraction form
   52,080.23/71,870.72 = 28,206.96/x
3. Step 3: Cross multiply
   52,080.23x = 71,870.72 × 28,206.96
4. Step 4: Simplify right side
   52,080.23x = 2,027,254,383.18
5. Step 5: Solve for x
   x = 2,027,254,383.18/52,080.23
6. Step 6: Final answer
   x = 38,925.61