Finding the Fourth Proportional to 13,061.48, 19,592.24 and 4,739.64

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.48 : 19,592.24 = 4,739.64 : x
2. Step 2: Convert to fraction form
   13,061.48/19,592.24 = 4,739.64/x
3. Step 3: Cross multiply
   13,061.48x = 19,592.24 × 4,739.64
4. Step 4: Simplify right side
   13,061.48x = 92,860,164.39
5. Step 5: Solve for x
   x = 92,860,164.39/13,061.48
6. Step 6: Final answer
   x = 7,109.47