Finding the Fourth Proportional to 52,536.72, 72,441.80 and 42,946.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,536.72 : 72,441.80 = 42,946.80 : x
2. Step 2: Convert to fraction form
   52,536.72/72,441.80 = 42,946.80/x
3. Step 3: Cross multiply
   52,536.72x = 72,441.80 × 42,946.80
4. Step 4: Simplify right side
   52,536.72x = 3,111,143,496.24
5. Step 5: Solve for x
   x = 3,111,143,496.24/52,536.72
6. Step 6: Final answer
   x = 59,218.46