Finding the Fourth Proportional to 9,056.70, 12,498.30 and 5,077.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,056.70 : 12,498.30 = 5,077.98 : x
2. Step 2: Convert to fraction form
   9,056.70/12,498.30 = 5,077.98/x
3. Step 3: Cross multiply
   9,056.70x = 12,498.30 × 5,077.98
4. Step 4: Simplify right side
   9,056.70x = 63,466,117.43
5. Step 5: Solve for x
   x = 63,466,117.43/9,056.70
6. Step 6: Final answer
   x = 7,007.64