Finding the Fourth Proportional to 341,729.31, 471,581.53 and 186,678.72

Step by Step Solution

1. Step 1: Write the proportion equation
   341,729.31 : 471,581.53 = 186,678.72 : x
2. Step 2: Convert to fraction form
   341,729.31/471,581.53 = 186,678.72/x
3. Step 3: Cross multiply
   341,729.31x = 471,581.53 × 186,678.72
4. Step 4: Simplify right side
   341,729.31x = 88,034,236,396.04
5. Step 5: Solve for x
   x = 88,034,236,396.04/341,729.31
6. Step 6: Final answer
   x = 257,613.95