Finding the Fourth Proportional to 202,971.12, 280,100.69 and 112,333.34

Step by Step Solution

1. Step 1: Write the proportion equation
   202,971.12 : 280,100.69 = 112,333.34 : x
2. Step 2: Convert to fraction form
   202,971.12/280,100.69 = 112,333.34/x
3. Step 3: Cross multiply
   202,971.12x = 280,100.69 × 112,333.34
4. Step 4: Simplify right side
   202,971.12x = 31,464,644,081.83
5. Step 5: Solve for x
   x = 31,464,644,081.83/202,971.12
6. Step 6: Final answer
   x = 155,020.30