Finding the Fourth Proportional to 52,869.30, 72,940.71 and 30,191.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,869.30 : 72,940.71 = 30,191.94 : x
2. Step 2: Convert to fraction form
   52,869.30/72,940.71 = 30,191.94/x
3. Step 3: Cross multiply
   52,869.30x = 72,940.71 × 30,191.94
4. Step 4: Simplify right side
   52,869.30x = 2,202,221,539.88
5. Step 5: Solve for x
   x = 2,202,221,539.88/52,869.30
6. Step 6: Final answer
   x = 41,654.07