Finding the Fourth Proportional to 3,364.61, 5,047.47 and 1,173.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,364.61 : 5,047.47 = 1,173.98 : x
2. Step 2: Convert to fraction form
   3,364.61/5,047.47 = 1,173.98/x
3. Step 3: Cross multiply
   3,364.61x = 5,047.47 × 1,173.98
4. Step 4: Simplify right side
   3,364.61x = 5,925,628.83
5. Step 5: Solve for x
   x = 5,925,628.83/3,364.61
6. Step 6: Final answer
   x = 1,761.16