Finding the Fourth Proportional to 254,100.21, 380,642.10 and 152,842.35

Step by Step Solution

1. Step 1: Write the proportion equation
   254,100.21 : 380,642.10 = 152,842.35 : x
2. Step 2: Convert to fraction form
   254,100.21/380,642.10 = 152,842.35/x
3. Step 3: Cross multiply
   254,100.21x = 380,642.10 × 152,842.35
4. Step 4: Simplify right side
   254,100.21x = 58,178,233,072.94
5. Step 5: Solve for x
   x = 58,178,233,072.94/254,100.21
6. Step 6: Final answer
   x = 228,957.83