Finding the Fourth Proportional to 72,941.43, 109,423.83 and 30,821.93

Step by Step Solution

1. Step 1: Write the proportion equation
   72,941.43 : 109,423.83 = 30,821.93 : x
2. Step 2: Convert to fraction form
   72,941.43/109,423.83 = 30,821.93/x
3. Step 3: Cross multiply
   72,941.43x = 109,423.83 × 30,821.93
4. Step 4: Simplify right side
   72,941.43x = 3,372,653,081.47
5. Step 5: Solve for x
   x = 3,372,653,081.47/72,941.43
6. Step 6: Final answer
   x = 46,237.83