Finding the Fourth Proportional to 111,314.71, 166,970.28 and 35,412.19

Step by Step Solution

1. Step 1: Write the proportion equation
   111,314.71 : 166,970.28 = 35,412.19 : x
2. Step 2: Convert to fraction form
   111,314.71/166,970.28 = 35,412.19/x
3. Step 3: Cross multiply
   111,314.71x = 166,970.28 × 35,412.19
4. Step 4: Simplify right side
   111,314.71x = 5,912,783,279.71
5. Step 5: Solve for x
   x = 5,912,783,279.71/111,314.71
6. Step 6: Final answer
   x = 53,117.72