Finding the Fourth Proportional to 123,216,081.57, 170,031,456.12 and 67,450,714.11

Step by Step Solution

1. Step 1: Write the proportion equation
   123,216,081.57 : 170,031,456.12 = 67,450,714.11 : x
2. Step 2: Convert to fraction form
   123,216,081.57/170,031,456.12 = 67,450,714.11/x
3. Step 3: Cross multiply
   123,216,081.57x = 170,031,456.12 × 67,450,714.11
4. Step 4: Simplify right side
   123,216,081.57x = 11,468,743,136,457,130
5. Step 5: Solve for x
   x = 11,468,743,136,457,130/123,216,081.57
6. Step 6: Final answer
   x = 93,078,297.82