Finding the Fourth Proportional to 132,860,061.40, 199,321,584.90 and 68,173,850.20

Step by Step Solution

1. Step 1: Write the proportion equation
   132,860,061.40 : 199,321,584.90 = 68,173,850.20 : x
2. Step 2: Convert to fraction form
   132,860,061.40/199,321,584.90 = 68,173,850.20/x
3. Step 3: Cross multiply
   132,860,061.40x = 199,321,584.90 × 68,173,850.20
4. Step 4: Simplify right side
   132,860,061.40x = 13,588,519,870,599,182
5. Step 5: Solve for x
   x = 13,588,519,870,599,182/132,860,061.40
6. Step 6: Final answer
   x = 102,276,935.05