Finding the Fourth Proportional to 9,429.02, 13,012.55 and 5,652.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.02 : 13,012.55 = 5,652.80 : x
2. Step 2: Convert to fraction form
   9,429.02/13,012.55 = 5,652.80/x
3. Step 3: Cross multiply
   9,429.02x = 13,012.55 × 5,652.80
4. Step 4: Simplify right side
   9,429.02x = 73,557,342.64
5. Step 5: Solve for x
   x = 73,557,342.64/9,429.02
6. Step 6: Final answer
   x = 7,801.17