Finding the Fourth Proportional to 47,761.34, 65,916.71 and 28,898.62

Step by Step Solution

1. Step 1: Write the proportion equation
   47,761.34 : 65,916.71 = 28,898.62 : x
2. Step 2: Convert to fraction form
   47,761.34/65,916.71 = 28,898.62/x
3. Step 3: Cross multiply
   47,761.34x = 65,916.71 × 28,898.62
4. Step 4: Simplify right side
   47,761.34x = 1,904,901,953.94
5. Step 5: Solve for x
   x = 1,904,901,953.94/47,761.34
6. Step 6: Final answer
   x = 39,883.76