Finding the Fourth Proportional to 9,051.84, 12,487.68 and 5,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,051.84 : 12,487.68 = 5,274.72 : x
2. Step 2: Convert to fraction form
   9,051.84/12,487.68 = 5,274.72/x
3. Step 3: Cross multiply
   9,051.84x = 12,487.68 × 5,274.72
4. Step 4: Simplify right side
   9,051.84x = 65,869,015.45
5. Step 5: Solve for x
   x = 65,869,015.45/9,051.84
6. Step 6: Final answer
   x = 7,276.86