Finding the Fourth Proportional to 13,112.67, 19,666.27 and 4,796.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.67 : 19,666.27 = 4,796.61 : x
2. Step 2: Convert to fraction form
   13,112.67/19,666.27 = 4,796.61/x
3. Step 3: Cross multiply
   13,112.67x = 19,666.27 × 4,796.61
4. Step 4: Simplify right side
   13,112.67x = 94,331,427.34
5. Step 5: Solve for x
   x = 94,331,427.34/13,112.67
6. Step 6: Final answer
   x = 7,193.91