Finding the Fourth Proportional to 52,834.13, 72,910.76 and 28,961.81

Step by Step Solution

1. Step 1: Write the proportion equation
   52,834.13 : 72,910.76 = 28,961.81 : x
2. Step 2: Convert to fraction form
   52,834.13/72,910.76 = 28,961.81/x
3. Step 3: Cross multiply
   52,834.13x = 72,910.76 × 28,961.81
4. Step 4: Simplify right side
   52,834.13x = 2,111,627,433.27
5. Step 5: Solve for x
   x = 2,111,627,433.27/52,834.13
6. Step 6: Final answer
   x = 39,967.11