Finding the Fourth Proportional to 52,047.33, 78,071.18 and 12,604.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,047.33 : 78,071.18 = 12,604.47 : x
2. Step 2: Convert to fraction form
   52,047.33/78,071.18 = 12,604.47/x
3. Step 3: Cross multiply
   52,047.33x = 78,071.18 × 12,604.47
4. Step 4: Simplify right side
   52,047.33x = 984,045,846.17
5. Step 5: Solve for x
   x = 984,045,846.17/52,047.33
6. Step 6: Final answer
   x = 18,906.75