Finding the Fourth Proportional to 52,485.80, 72,408.59 and 30,967.00

Step by Step Solution

1. Step 1: Write the proportion equation
   52,485.80 : 72,408.59 = 30,967.00 : x
2. Step 2: Convert to fraction form
   52,485.80/72,408.59 = 30,967.00/x
3. Step 3: Cross multiply
   52,485.80x = 72,408.59 × 30,967.00
4. Step 4: Simplify right side
   52,485.80x = 2,242,276,586.80
5. Step 5: Solve for x
   x = 2,242,276,586.80/52,485.80
6. Step 6: Final answer
   x = 42,721.59