Finding the Fourth Proportional to 152,419.10, 228,300.60 and 126,175.10

Step by Step Solution

1. Step 1: Write the proportion equation
   152,419.10 : 228,300.60 = 126,175.10 : x
2. Step 2: Convert to fraction form
   152,419.10/228,300.60 = 126,175.10/x
3. Step 3: Cross multiply
   152,419.10x = 228,300.60 × 126,175.10
4. Step 4: Simplify right side
   152,419.10x = 28,805,851,035.06
5. Step 5: Solve for x
   x = 28,805,851,035.06/152,419.10
6. Step 6: Final answer
   x = 188,991.08