Finding the Fourth Proportional to 443,696.72, 612,301.48 and 242,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   443,696.72 : 612,301.48 = 242,492.72 : x
2. Step 2: Convert to fraction form
   443,696.72/612,301.48 = 242,492.72/x
3. Step 3: Cross multiply
   443,696.72x = 612,301.48 × 242,492.72
4. Step 4: Simplify right side
   443,696.72x = 148,478,651,345.23
5. Step 5: Solve for x
   x = 148,478,651,345.23/443,696.72
6. Step 6: Final answer
   x = 334,639.96