Finding the Fourth Proportional to 52,061.13, 71,844.71 and 28,188

Step by Step Solution

1. Step 1: Write the proportion equation
   52,061.13 : 71,844.71 = 28,188 : x
2. Step 2: Convert to fraction form
   52,061.13/71,844.71 = 28,188/x
3. Step 3: Cross multiply
   52,061.13x = 71,844.71 × 28,188
4. Step 4: Simplify right side
   52,061.13x = 2,025,158,544.54
5. Step 5: Solve for x
   x = 2,025,158,544.54/52,061.13
6. Step 6: Final answer
   x = 38,899.63