Finding the Fourth Proportional to 291,498.72, 436,260.42 and 179,250.03

Step by Step Solution

1. Step 1: Write the proportion equation
   291,498.72 : 436,260.42 = 179,250.03 : x
2. Step 2: Convert to fraction form
   291,498.72/436,260.42 = 179,250.03/x
3. Step 3: Cross multiply
   291,498.72x = 436,260.42 × 179,250.03
4. Step 4: Simplify right side
   291,498.72x = 78,199,693,372.81
5. Step 5: Solve for x
   x = 78,199,693,372.81/291,498.72
6. Step 6: Final answer
   x = 268,267.71