Finding the Fourth Proportional to 345,870, 477,300.60 and 194,967

Step by Step Solution

1. Step 1: Write the proportion equation
   345,870 : 477,300.60 = 194,967 : x
2. Step 2: Convert to fraction form
   345,870/477,300.60 = 194,967/x
3. Step 3: Cross multiply
   345,870x = 477,300.60 × 194,967
4. Step 4: Simplify right side
   345,870x = 93,057,866,080.20
5. Step 5: Solve for x
   x = 93,057,866,080.20/345,870
6. Step 6: Final answer
   x = 269,054.46