Finding the Fourth Proportional to 341,870.82, 512,806.59 and 89,151.09

Step by Step Solution

1. Step 1: Write the proportion equation
   341,870.82 : 512,806.59 = 89,151.09 : x
2. Step 2: Convert to fraction form
   341,870.82/512,806.59 = 89,151.09/x
3. Step 3: Cross multiply
   341,870.82x = 512,806.59 × 89,151.09
4. Step 4: Simplify right side
   341,870.82x = 45,717,266,457.68
5. Step 5: Solve for x
   x = 45,717,266,457.68/341,870.82
6. Step 6: Final answer
   x = 133,726.73