Finding the Fourth Proportional to 289,196.84, 433,870.06 and 169,355

Step by Step Solution

1. Step 1: Write the proportion equation
   289,196.84 : 433,870.06 = 169,355 : x
2. Step 2: Convert to fraction form
   289,196.84/433,870.06 = 169,355/x
3. Step 3: Cross multiply
   289,196.84x = 433,870.06 × 169,355
4. Step 4: Simplify right side
   289,196.84x = 73,478,064,011.30
5. Step 5: Solve for x
   x = 73,478,064,011.30/289,196.84
6. Step 6: Final answer
   x = 254,076.30