Finding the Fourth Proportional to 162,003,255.36, 223,565,084.97 and 87,663,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,003,255.36 : 223,565,084.97 = 87,663,816.50 : x
2. Step 2: Convert to fraction form
   162,003,255.36/223,565,084.97 = 87,663,816.50/x
3. Step 3: Cross multiply
   162,003,255.36x = 223,565,084.97 × 87,663,816.50
4. Step 4: Simplify right side
   162,003,255.36x = 19,598,568,583,499,164
5. Step 5: Solve for x
   x = 19,598,568,583,499,164/162,003,255.36
6. Step 6: Final answer
   x = 120,976,387.42