Finding the Fourth Proportional to 9,415.79, 12,994.25 and 5,437.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,415.79 : 12,994.25 = 5,437.27 : x
2. Step 2: Convert to fraction form
   9,415.79/12,994.25 = 5,437.27/x
3. Step 3: Cross multiply
   9,415.79x = 12,994.25 × 5,437.27
4. Step 4: Simplify right side
   9,415.79x = 70,653,186.03
5. Step 5: Solve for x
   x = 70,653,186.03/9,415.79
6. Step 6: Final answer
   x = 7,503.70