Finding the Fourth Proportional to 111,830.04, 154,343.34 and 65,897.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,830.04 : 154,343.34 = 65,897.16 : x
2. Step 2: Convert to fraction form
   111,830.04/154,343.34 = 65,897.16/x
3. Step 3: Cross multiply
   111,830.04x = 154,343.34 × 65,897.16
4. Step 4: Simplify right side
   111,830.04x = 10,170,787,770.91
5. Step 5: Solve for x
   x = 10,170,787,770.91/111,830.04
6. Step 6: Final answer
   x = 90,948.62