Finding the Fourth Proportional to 439,087,492.56, 658,644,885.72 and 162,807,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   439,087,492.56 : 658,644,885.72 = 162,807,456.72 : x
2. Step 2: Convert to fraction form
   439,087,492.56/658,644,885.72 = 162,807,456.72/x
3. Step 3: Cross multiply
   439,087,492.56x = 658,644,885.72 × 162,807,456.72
4. Step 4: Simplify right side
   439,087,492.56x = 107,232,298,725,708,256
5. Step 5: Solve for x
   x = 107,232,298,725,708,256/439,087,492.56
6. Step 6: Final answer
   x = 244,216,245.15