Finding the Fourth Proportional to 22,300.52, 30,774.48 and 12,228.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,300.52 : 30,774.48 = 12,228.93 : x
2. Step 2: Convert to fraction form
   22,300.52/30,774.48 = 12,228.93/x
3. Step 3: Cross multiply
   22,300.52x = 30,774.48 × 12,228.93
4. Step 4: Simplify right side
   22,300.52x = 376,338,961.71
5. Step 5: Solve for x
   x = 376,338,961.71/22,300.52
6. Step 6: Final answer
   x = 16,875.80