Finding the Fourth Proportional to 4,380.86, 6,047.82 and 2,972.00

Step by Step Solution

1. Step 1: Write the proportion equation
   4,380.86 : 6,047.82 = 2,972.00 : x
2. Step 2: Convert to fraction form
   4,380.86/6,047.82 = 2,972.00/x
3. Step 3: Cross multiply
   4,380.86x = 6,047.82 × 2,972.00
4. Step 4: Simplify right side
   4,380.86x = 17,974,090.80
5. Step 5: Solve for x
   x = 17,974,090.80/4,380.86
6. Step 6: Final answer
   x = 4,102.87