Finding the Fourth Proportional to 212,886.10, 293,789.91 and 116,095.25

Step by Step Solution

1. Step 1: Write the proportion equation
   212,886.10 : 293,789.91 = 116,095.25 : x
2. Step 2: Convert to fraction form
   212,886.10/293,789.91 = 116,095.25/x
3. Step 3: Cross multiply
   212,886.10x = 293,789.91 × 116,095.25
4. Step 4: Simplify right side
   212,886.10x = 34,107,610,999.50
5. Step 5: Solve for x
   x = 34,107,610,999.50/212,886.10
6. Step 6: Final answer
   x = 160,215.31