Finding the Fourth Proportional to 14,270.76, 21,400.83 and 4,908.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,270.76 : 21,400.83 = 4,908.15 : x
2. Step 2: Convert to fraction form
   14,270.76/21,400.83 = 4,908.15/x
3. Step 3: Cross multiply
   14,270.76x = 21,400.83 × 4,908.15
4. Step 4: Simplify right side
   14,270.76x = 105,038,483.76
5. Step 5: Solve for x
   x = 105,038,483.76/14,270.76
6. Step 6: Final answer
   x = 7,360.40