Finding the Fourth Proportional to 302,167.89, 453,159 and 99,726.71

Step by Step Solution

1. Step 1: Write the proportion equation
   302,167.89 : 453,159 = 99,726.71 : x
2. Step 2: Convert to fraction form
   302,167.89/453,159 = 99,726.71/x
3. Step 3: Cross multiply
   302,167.89x = 453,159 × 99,726.71
4. Step 4: Simplify right side
   302,167.89x = 45,192,053,911.10
5. Step 5: Solve for x
   x = 45,192,053,911.10/302,167.89
6. Step 6: Final answer
   x = 149,559.42