Finding the Fourth Proportional to 5,435.72, 7,501.45 and 3,077.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,435.72 : 7,501.45 = 3,077.82 : x
2. Step 2: Convert to fraction form
   5,435.72/7,501.45 = 3,077.82/x
3. Step 3: Cross multiply
   5,435.72x = 7,501.45 × 3,077.82
4. Step 4: Simplify right side
   5,435.72x = 23,088,112.84
5. Step 5: Solve for x
   x = 23,088,112.84/5,435.72
6. Step 6: Final answer
   x = 4,247.48