Finding the Fourth Proportional to 13,773.02, 19,006.67 and 7,485.39

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.02 : 19,006.67 = 7,485.39 : x
2. Step 2: Convert to fraction form
   13,773.02/19,006.67 = 7,485.39/x
3. Step 3: Cross multiply
   13,773.02x = 19,006.67 × 7,485.39
4. Step 4: Simplify right side
   13,773.02x = 142,272,300.12
5. Step 5: Solve for x
   x = 142,272,300.12/13,773.02
6. Step 6: Final answer
   x = 10,329.79