Finding the Fourth Proportional to 5,345.32, 7,978.84 and 4,714.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,345.32 : 7,978.84 = 4,714.07 : x
2. Step 2: Convert to fraction form
   5,345.32/7,978.84 = 4,714.07/x
3. Step 3: Cross multiply
   5,345.32x = 7,978.84 × 4,714.07
4. Step 4: Simplify right side
   5,345.32x = 37,612,810.28
5. Step 5: Solve for x
   x = 37,612,810.28/5,345.32
6. Step 6: Final answer
   x = 7,036.59