Finding the Fourth Proportional to 353,513.80, 530,271.82 and 87,274.34

Step by Step Solution

1. Step 1: Write the proportion equation
   353,513.80 : 530,271.82 = 87,274.34 : x
2. Step 2: Convert to fraction form
   353,513.80/530,271.82 = 87,274.34/x
3. Step 3: Cross multiply
   353,513.80x = 530,271.82 × 87,274.34
4. Step 4: Simplify right side
   353,513.80x = 46,279,123,111.10
5. Step 5: Solve for x
   x = 46,279,123,111.10/353,513.80
6. Step 6: Final answer
   x = 130,911.79