Finding the Fourth Proportional to 123,596,620.04, 170,562,231.24 and 67,840,389.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,596,620.04 : 170,562,231.24 = 67,840,389.20 : x
2. Step 2: Convert to fraction form
   123,596,620.04/170,562,231.24 = 67,840,389.20/x
3. Step 3: Cross multiply
   123,596,620.04x = 170,562,231.24 × 67,840,389.20
4. Step 4: Simplify right side
   123,596,620.04x = 11,571,008,150,142,000
5. Step 5: Solve for x
   x = 11,571,008,150,142,000/123,596,620.04
6. Step 6: Final answer
   x = 93,619,130.90