Finding the Fourth Proportional to 52,887.25, 72,986.57 and 30,531.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,887.25 : 72,986.57 = 30,531.25 : x
2. Step 2: Convert to fraction form
   52,887.25/72,986.57 = 30,531.25/x
3. Step 3: Cross multiply
   52,887.25x = 72,986.57 × 30,531.25
4. Step 4: Simplify right side
   52,887.25x = 2,228,371,215.31
5. Step 5: Solve for x
   x = 2,228,371,215.31/52,887.25
6. Step 6: Final answer
   x = 42,134.37