Finding the Fourth Proportional to 123,418,868.98, 170,317,095.50 and 67,663,622.20

Step by Step Solution

1. Step 1: Write the proportion equation
   123,418,868.98 : 170,317,095.50 = 67,663,622.20 : x
2. Step 2: Convert to fraction form
   123,418,868.98/170,317,095.50 = 67,663,622.20/x
3. Step 3: Cross multiply
   123,418,868.98x = 170,317,095.50 × 67,663,622.20
4. Step 4: Simplify right side
   123,418,868.98x = 11,524,271,602,923,416
5. Step 5: Solve for x
   x = 11,524,271,602,923,416/123,418,868.98
6. Step 6: Final answer
   x = 93,375,281.26