Finding the Fourth Proportional to 316,060.84, 436,128.24 and 187,003.27

Step by Step Solution

1. Step 1: Write the proportion equation
   316,060.84 : 436,128.24 = 187,003.27 : x
2. Step 2: Convert to fraction form
   316,060.84/436,128.24 = 187,003.27/x
3. Step 3: Cross multiply
   316,060.84x = 436,128.24 × 187,003.27
4. Step 4: Simplify right side
   316,060.84x = 81,557,407,019.34
5. Step 5: Solve for x
   x = 81,557,407,019.34/316,060.84
6. Step 6: Final answer
   x = 258,043.38