Finding the Fourth Proportional to 52,203.82, 72,041.37 and 30,987.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,203.82 : 72,041.37 = 30,987.34 : x
2. Step 2: Convert to fraction form
   52,203.82/72,041.37 = 30,987.34/x
3. Step 3: Cross multiply
   52,203.82x = 72,041.37 × 30,987.34
4. Step 4: Simplify right side
   52,203.82x = 2,232,370,426.26
5. Step 5: Solve for x
   x = 2,232,370,426.26/52,203.82
6. Step 6: Final answer
   x = 42,762.59