Finding the Fourth Proportional to 342,588.56, 513,856.92 and 105,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   342,588.56 : 513,856.92 = 105,932.72 : x
2. Step 2: Convert to fraction form
   342,588.56/513,856.92 = 105,932.72/x
3. Step 3: Cross multiply
   342,588.56x = 513,856.92 × 105,932.72
4. Step 4: Simplify right side
   342,588.56x = 54,434,261,226.42
5. Step 5: Solve for x
   x = 54,434,261,226.42/342,588.56
6. Step 6: Final answer
   x = 158,891.07