Finding the Fourth Proportional to 12,699.48, 19,046.16 and 4,903.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699.48 : 19,046.16 = 4,903.32 : x
2. Step 2: Convert to fraction form
   12,699.48/19,046.16 = 4,903.32/x
3. Step 3: Cross multiply
   12,699.48x = 19,046.16 × 4,903.32
4. Step 4: Simplify right side
   12,699.48x = 93,389,417.25
5. Step 5: Solve for x
   x = 93,389,417.25/12,699.48
6. Step 6: Final answer
   x = 7,353.80