Finding the Fourth Proportional to 8,774.51, 12,109.54 and 4,998.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.51 : 12,109.54 = 4,998.86 : x
2. Step 2: Convert to fraction form
   8,774.51/12,109.54 = 4,998.86/x
3. Step 3: Cross multiply
   8,774.51x = 12,109.54 × 4,998.86
4. Step 4: Simplify right side
   8,774.51x = 60,533,834.58
5. Step 5: Solve for x
   x = 60,533,834.58/8,774.51
6. Step 6: Final answer
   x = 6,898.83