Finding the Fourth Proportional to 52,488.05, 72,411.69 and 30,969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488.05 : 72,411.69 = 30,969.25 : x
2. Step 2: Convert to fraction form
   52,488.05/72,411.69 = 30,969.25/x
3. Step 3: Cross multiply
   52,488.05x = 72,411.69 × 30,969.25
4. Step 4: Simplify right side
   52,488.05x = 2,242,535,730.53
5. Step 5: Solve for x
   x = 2,242,535,730.53/52,488.05
6. Step 6: Final answer
   x = 42,724.69