Finding the Fourth Proportional to 52,061.74, 71,844.87 and 28,188.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,061.74 : 71,844.87 = 28,188.34 : x
2. Step 2: Convert to fraction form
   52,061.74/71,844.87 = 28,188.34/x
3. Step 3: Cross multiply
   52,061.74x = 71,844.87 × 28,188.34
4. Step 4: Simplify right side
   52,061.74x = 2,025,187,622.82
5. Step 5: Solve for x
   x = 2,025,187,622.82/52,061.74
6. Step 6: Final answer
   x = 38,899.73