Finding the Fourth Proportional to 4,978.68, 7,468.20 and 2,056.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.68 : 7,468.20 = 2,056.32 : x
2. Step 2: Convert to fraction form
   4,978.68/7,468.20 = 2,056.32/x
3. Step 3: Cross multiply
   4,978.68x = 7,468.20 × 2,056.32
4. Step 4: Simplify right side
   4,978.68x = 15,357,009.02
5. Step 5: Solve for x
   x = 15,357,009.02/4,978.68
6. Step 6: Final answer
   x = 3,084.55