Finding the Fourth Proportional to 328,875,817.34, 493,152,300.59 and 162,687,308.96

Step by Step Solution

1. Step 1: Write the proportion equation
   328,875,817.34 : 493,152,300.59 = 162,687,308.96 : x
2. Step 2: Convert to fraction form
   328,875,817.34/493,152,300.59 = 162,687,308.96/x
3. Step 3: Cross multiply
   328,875,817.34x = 493,152,300.59 × 162,687,308.96
4. Step 4: Simplify right side
   328,875,817.34x = 80,229,620,690,420,128
5. Step 5: Solve for x
   x = 80,229,620,690,420,128/328,875,817.34
6. Step 6: Final answer
   x = 243,951,109.99