Finding the Fourth Proportional to 5,435.90, 7,501.32 and 3,078.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.90 : 7,501.32 = 3,078.03 : x
2. Step 2: Convert to fraction form
   5,435.90/7,501.32 = 3,078.03/x
3. Step 3: Cross multiply
   5,435.90x = 7,501.32 × 3,078.03
4. Step 4: Simplify right side
   5,435.90x = 23,089,288.00
5. Step 5: Solve for x
   x = 23,089,288.00/5,435.90
6. Step 6: Final answer
   x = 4,247.56