Finding the Fourth Proportional to 162,021,136.50, 223,591,267.89 and 88,680,703.86

Step by Step Solution

1. Step 1: Write the proportion equation
   162,021,136.50 : 223,591,267.89 = 88,680,703.86 : x
2. Step 2: Convert to fraction form
   162,021,136.50/223,591,267.89 = 88,680,703.86/x
3. Step 3: Cross multiply
   162,021,136.50x = 223,591,267.89 × 88,680,703.86
4. Step 4: Simplify right side
   162,021,136.50x = 19,828,231,013,435,016
5. Step 5: Solve for x
   x = 19,828,231,013,435,016/162,021,136.50
6. Step 6: Final answer
   x = 122,380,520.48