Finding the Fourth Proportional to 342,008.76, 471,971.10 and 191,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   342,008.76 : 471,971.10 = 191,105.88 : x
2. Step 2: Convert to fraction form
   342,008.76/471,971.10 = 191,105.88/x
3. Step 3: Cross multiply
   342,008.76x = 471,971.10 × 191,105.88
4. Step 4: Simplify right side
   342,008.76x = 90,196,452,400.07
5. Step 5: Solve for x
   x = 90,196,452,400.07/342,008.76
6. Step 6: Final answer
   x = 263,725.56