Finding the Fourth Proportional to 219,889.96, 303,422.52 and 123,099.10

Step by Step Solution

1. Step 1: Write the proportion equation
   219,889.96 : 303,422.52 = 123,099.10 : x
2. Step 2: Convert to fraction form
   219,889.96/303,422.52 = 123,099.10/x
3. Step 3: Cross multiply
   219,889.96x = 303,422.52 × 123,099.10
4. Step 4: Simplify right side
   219,889.96x = 37,351,039,131.73
5. Step 5: Solve for x
   x = 37,351,039,131.73/219,889.96
6. Step 6: Final answer
   x = 169,862.41