Finding the Fourth Proportional to 13,072.47, 19,602.56 and 4,746.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.47 : 19,602.56 = 4,746.60 : x
2. Step 2: Convert to fraction form
   13,072.47/19,602.56 = 4,746.60/x
3. Step 3: Cross multiply
   13,072.47x = 19,602.56 × 4,746.60
4. Step 4: Simplify right side
   13,072.47x = 93,045,487.56
5. Step 5: Solve for x
   x = 93,045,487.56/13,072.47
6. Step 6: Final answer
   x = 7,117.67