Finding the Fourth Proportional to 302,621.27, 453,677.76 and 131,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   302,621.27 : 453,677.76 = 131,715.32 : x
2. Step 2: Convert to fraction form
   302,621.27/453,677.76 = 131,715.32/x
3. Step 3: Cross multiply
   302,621.27x = 453,677.76 × 131,715.32
4. Step 4: Simplify right side
   302,621.27x = 59,756,309,066.89
5. Step 5: Solve for x
   x = 59,756,309,066.89/302,621.27
6. Step 6: Final answer
   x = 197,462.36