Finding the Fourth Proportional to 353,643.72, 530,460.33 and 87,404.22

Step by Step Solution

1. Step 1: Write the proportion equation
   353,643.72 : 530,460.33 = 87,404.22 : x
2. Step 2: Convert to fraction form
   353,643.72/530,460.33 = 87,404.22/x
3. Step 3: Cross multiply
   353,643.72x = 530,460.33 × 87,404.22
4. Step 4: Simplify right side
   353,643.72x = 46,364,471,384.59
5. Step 5: Solve for x
   x = 46,364,471,384.59/353,643.72
6. Step 6: Final answer
   x = 131,105.03