Finding the Fourth Proportional to 185,664.72, 256,145.54 and 105,073.76

Step by Step Solution

1. Step 1: Write the proportion equation
   185,664.72 : 256,145.54 = 105,073.76 : x
2. Step 2: Convert to fraction form
   185,664.72/256,145.54 = 105,073.76/x
3. Step 3: Cross multiply
   185,664.72x = 256,145.54 × 105,073.76
4. Step 4: Simplify right side
   185,664.72x = 26,914,174,995.03
5. Step 5: Solve for x
   x = 26,914,174,995.03/185,664.72
6. Step 6: Final answer
   x = 144,961.17