Finding the Fourth Proportional to 216,607,162.32, 298,900,116.36 and 118,822,018.32

Step by Step Solution

1. Step 1: Write the proportion equation
   216,607,162.32 : 298,900,116.36 = 118,822,018.32 : x
2. Step 2: Convert to fraction form
   216,607,162.32/298,900,116.36 = 118,822,018.32/x
3. Step 3: Cross multiply
   216,607,162.32x = 298,900,116.36 × 118,822,018.32
4. Step 4: Simplify right side
   216,607,162.32x = 35,515,915,101,978,052
5. Step 5: Solve for x
   x = 35,515,915,101,978,052/216,607,162.32
6. Step 6: Final answer
   x = 163,964,638.66