Finding the Fourth Proportional to 5,910.90, 8,155.57 and 3,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,910.90 : 8,155.57 = 3,812.50 : x
2. Step 2: Convert to fraction form
   5,910.90/8,155.57 = 3,812.50/x
3. Step 3: Cross multiply
   5,910.90x = 8,155.57 × 3,812.50
4. Step 4: Simplify right side
   5,910.90x = 31,093,110.63
5. Step 5: Solve for x
   x = 31,093,110.63/5,910.90
6. Step 6: Final answer
   x = 5,260.30