Finding the Fourth Proportional to 13,300.53, 19,947.15 and 4,985.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.53 : 19,947.15 = 4,985.07 : x
2. Step 2: Convert to fraction form
   13,300.53/19,947.15 = 4,985.07/x
3. Step 3: Cross multiply
   13,300.53x = 19,947.15 × 4,985.07
4. Step 4: Simplify right side
   13,300.53x = 99,437,939.05
5. Step 5: Solve for x
   x = 99,437,939.05/13,300.53
6. Step 6: Final answer
   x = 7,476.24