Finding the Fourth Proportional to 8,334.30, 12,487.40 and 5,037.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,334.30 : 12,487.40 = 5,037.34 : x
2. Step 2: Convert to fraction form
   8,334.30/12,487.40 = 5,037.34/x
3. Step 3: Cross multiply
   8,334.30x = 12,487.40 × 5,037.34
4. Step 4: Simplify right side
   8,334.30x = 62,903,279.52
5. Step 5: Solve for x
   x = 62,903,279.52/8,334.30
6. Step 6: Final answer
   x = 7,547.52