Finding the Fourth Proportional to 19,678.41, 27,156.06 and 10,725.89

Step by Step Solution

1. Step 1: Write the proportion equation
   19,678.41 : 27,156.06 = 10,725.89 : x
2. Step 2: Convert to fraction form
   19,678.41/27,156.06 = 10,725.89/x
3. Step 3: Cross multiply
   19,678.41x = 27,156.06 × 10,725.89
4. Step 4: Simplify right side
   19,678.41x = 291,272,776.61
5. Step 5: Solve for x
   x = 291,272,776.61/19,678.41
6. Step 6: Final answer
   x = 14,801.64