Finding the Fourth Proportional to 9,056.76, 12,498.57 and 5,077.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.76 : 12,498.57 = 5,077.77 : x
2. Step 2: Convert to fraction form
   9,056.76/12,498.57 = 5,077.77/x
3. Step 3: Cross multiply
   9,056.76x = 12,498.57 × 5,077.77
4. Step 4: Simplify right side
   9,056.76x = 63,464,863.79
5. Step 5: Solve for x
   x = 63,464,863.79/9,056.76
6. Step 6: Final answer
   x = 7,007.46