Finding the Fourth Proportional to 10,531.90, 14,528.55 and 7,845.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,531.90 : 14,528.55 = 7,845.94 : x
2. Step 2: Convert to fraction form
   10,531.90/14,528.55 = 7,845.94/x
3. Step 3: Cross multiply
   10,531.90x = 14,528.55 × 7,845.94
4. Step 4: Simplify right side
   10,531.90x = 113,990,131.59
5. Step 5: Solve for x
   x = 113,990,131.59/10,531.90
6. Step 6: Final answer
   x = 10,823.32