Finding the Fourth Proportional to 123,158,581.13, 169,053,519.72 and 108,907,695.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,158,581.13 : 169,053,519.72 = 108,907,695.47 : x
2. Step 2: Convert to fraction form
   123,158,581.13/169,053,519.72 = 108,907,695.47/x
3. Step 3: Cross multiply
   123,158,581.13x = 169,053,519.72 × 108,907,695.47
4. Step 4: Simplify right side
   123,158,581.13x = 18,411,229,243,797,400
5. Step 5: Solve for x
   x = 18,411,229,243,797,400/123,158,581.13
6. Step 6: Final answer
   x = 149,492,053.86