Finding the Fourth Proportional to 219,016.08, 302,242.14 and 123,522.57

Step by Step Solution

1. Step 1: Write the proportion equation
   219,016.08 : 302,242.14 = 123,522.57 : x
2. Step 2: Convert to fraction form
   219,016.08/302,242.14 = 123,522.57/x
3. Step 3: Cross multiply
   219,016.08x = 302,242.14 × 123,522.57
4. Step 4: Simplify right side
   219,016.08x = 37,333,725,895.10
5. Step 5: Solve for x
   x = 37,333,725,895.10/219,016.08
6. Step 6: Final answer
   x = 170,461.12