Finding the Fourth Proportional to 13,773.60, 19,007.46 and 7,485.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773.60 : 19,007.46 = 7,485.96 : x
2. Step 2: Convert to fraction form
   13,773.60/19,007.46 = 7,485.96/x
3. Step 3: Cross multiply
   13,773.60x = 19,007.46 × 7,485.96
4. Step 4: Simplify right side
   13,773.60x = 142,289,085.26
5. Step 5: Solve for x
   x = 142,289,085.26/13,773.60
6. Step 6: Final answer
   x = 10,330.57