Finding the Fourth Proportional to 7,947.77, 10,969.93 and 5,430.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,947.77 : 10,969.93 = 5,430.89 : x
2. Step 2: Convert to fraction form
   7,947.77/10,969.93 = 5,430.89/x
3. Step 3: Cross multiply
   7,947.77x = 10,969.93 × 5,430.89
4. Step 4: Simplify right side
   7,947.77x = 59,576,517.35
5. Step 5: Solve for x
   x = 59,576,517.35/7,947.77
6. Step 6: Final answer
   x = 7,496.01