Finding the Fourth Proportional to 3,820.95, 5,732.88 and 1,970.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.95 : 5,732.88 = 1,970.89 : x
2. Step 2: Convert to fraction form
   3,820.95/5,732.88 = 1,970.89/x
3. Step 3: Cross multiply
   3,820.95x = 5,732.88 × 1,970.89
4. Step 4: Simplify right side
   3,820.95x = 11,298,875.86
5. Step 5: Solve for x
   x = 11,298,875.86/3,820.95
6. Step 6: Final answer
   x = 2,957.09