Finding the Fourth Proportional to 10,045.42, 13,862.31 and 5,569.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.42 : 13,862.31 = 5,569.58 : x
2. Step 2: Convert to fraction form
   10,045.42/13,862.31 = 5,569.58/x
3. Step 3: Cross multiply
   10,045.42x = 13,862.31 × 5,569.58
4. Step 4: Simplify right side
   10,045.42x = 77,207,244.53
5. Step 5: Solve for x
   x = 77,207,244.53/10,045.42
6. Step 6: Final answer
   x = 7,685.82