Finding the Fourth Proportional to 162,003,256.36, 223,565,086.35 and 87,663,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,003,256.36 : 223,565,086.35 = 87,663,817.50 : x
2. Step 2: Convert to fraction form
   162,003,256.36/223,565,086.35 = 87,663,817.50/x
3. Step 3: Cross multiply
   162,003,256.36x = 223,565,086.35 × 87,663,817.50
4. Step 4: Simplify right side
   162,003,256.36x = 19,598,568,929,158,140
5. Step 5: Solve for x
   x = 19,598,568,929,158,140/162,003,256.36
6. Step 6: Final answer
   x = 120,976,388.81