Finding the Fourth Proportional to 16,428.23, 22,667.78 and 10,056.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,428.23 : 22,667.78 = 10,056.26 : x
2. Step 2: Convert to fraction form
   16,428.23/22,667.78 = 10,056.26/x
3. Step 3: Cross multiply
   16,428.23x = 22,667.78 × 10,056.26
4. Step 4: Simplify right side
   16,428.23x = 227,953,171.11
5. Step 5: Solve for x
   x = 227,953,171.11/16,428.23
6. Step 6: Final answer
   x = 13,875.70