Finding the Fourth Proportional to 9,092.47, 12,547.57 and 5,113.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,092.47 : 12,547.57 = 5,113.58 : x
2. Step 2: Convert to fraction form
   9,092.47/12,547.57 = 5,113.58/x
3. Step 3: Cross multiply
   9,092.47x = 12,547.57 × 5,113.58
4. Step 4: Simplify right side
   9,092.47x = 64,162,971.63
5. Step 5: Solve for x
   x = 64,162,971.63/9,092.47
6. Step 6: Final answer
   x = 7,056.72