Finding the Fourth Proportional to 52,485.17, 72,407.73 and 30,966.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,485.17 : 72,407.73 = 30,966.37 : x
2. Step 2: Convert to fraction form
   52,485.17/72,407.73 = 30,966.37/x
3. Step 3: Cross multiply
   52,485.17x = 72,407.73 × 30,966.37
4. Step 4: Simplify right side
   52,485.17x = 2,242,204,558.04
5. Step 5: Solve for x
   x = 2,242,204,558.04/52,485.17
6. Step 6: Final answer
   x = 42,720.73