Finding the Fourth Proportional to 2,915.86, 4,342.86 and 2,901.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,915.86 : 4,342.86 = 2,901.73 : x
2. Step 2: Convert to fraction form
   2,915.86/4,342.86 = 2,901.73/x
3. Step 3: Cross multiply
   2,915.86x = 4,342.86 × 2,901.73
4. Step 4: Simplify right side
   2,915.86x = 12,601,792.64
5. Step 5: Solve for x
   x = 12,601,792.64/2,915.86
6. Step 6: Final answer
   x = 4,321.82