Finding the Fourth Proportional to 79,009.06, 109,034.22 and 47,172.02

Step by Step Solution

1. Step 1: Write the proportion equation
   79,009.06 : 109,034.22 = 47,172.02 : x
2. Step 2: Convert to fraction form
   79,009.06/109,034.22 = 47,172.02/x
3. Step 3: Cross multiply
   79,009.06x = 109,034.22 × 47,172.02
4. Step 4: Simplify right side
   79,009.06x = 5,143,364,406.52
5. Step 5: Solve for x
   x = 5,143,364,406.52/79,009.06
6. Step 6: Final answer
   x = 65,098.41