Finding the Fourth Proportional to 13,112.34, 19,656.06 and 4,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.34 : 19,656.06 = 4,342.50 : x
2. Step 2: Convert to fraction form
   13,112.34/19,656.06 = 4,342.50/x
3. Step 3: Cross multiply
   13,112.34x = 19,656.06 × 4,342.50
4. Step 4: Simplify right side
   13,112.34x = 85,356,440.55
5. Step 5: Solve for x
   x = 85,356,440.55/13,112.34
6. Step 6: Final answer
   x = 6,509.63