Finding the Fourth Proportional to 52,778.61, 72,816.41 and 30,101.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,778.61 : 72,816.41 = 30,101.30 : x
2. Step 2: Convert to fraction form
   52,778.61/72,816.41 = 30,101.30/x
3. Step 3: Cross multiply
   52,778.61x = 72,816.41 × 30,101.30
4. Step 4: Simplify right side
   52,778.61x = 2,191,868,859.63
5. Step 5: Solve for x
   x = 2,191,868,859.63/52,778.61
6. Step 6: Final answer
   x = 41,529.49