Finding the Fourth Proportional to 8,429.74, 12,580.51 and 7,495.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429.74 : 12,580.51 = 7,495.59 : x
2. Step 2: Convert to fraction form
   8,429.74/12,580.51 = 7,495.59/x
3. Step 3: Cross multiply
   8,429.74x = 12,580.51 × 7,495.59
4. Step 4: Simplify right side
   8,429.74x = 94,298,263.31
5. Step 5: Solve for x
   x = 94,298,263.31/8,429.74
6. Step 6: Final answer
   x = 11,186.38