Finding the Fourth Proportional to 52,870.30, 72,942.09 and 30,192.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,870.30 : 72,942.09 = 30,192.94 : x
2. Step 2: Convert to fraction form
   52,870.30/72,942.09 = 30,192.94/x
3. Step 3: Cross multiply
   52,870.30x = 72,942.09 × 30,192.94
4. Step 4: Simplify right side
   52,870.30x = 2,202,336,146.84
5. Step 5: Solve for x
   x = 2,202,336,146.84/52,870.30
6. Step 6: Final answer
   x = 41,655.45