Finding the Fourth Proportional to 106,998,017.82, 147,702,469.59 and 72,237,794.46

Step by Step Solution

1. Step 1: Write the proportion equation
   106,998,017.82 : 147,702,469.59 = 72,237,794.46 : x
2. Step 2: Convert to fraction form
   106,998,017.82/147,702,469.59 = 72,237,794.46/x
3. Step 3: Cross multiply
   106,998,017.82x = 147,702,469.59 × 72,237,794.46
4. Step 4: Simplify right side
   106,998,017.82x = 10,669,700,639,476,820
5. Step 5: Solve for x
   x = 10,669,700,639,476,820/106,998,017.82
6. Step 6: Final answer
   x = 99,718,675.70