Finding the Fourth Proportional to 353,516.34, 530,275.61 and 87,276.89

Step by Step Solution

1. Step 1: Write the proportion equation
   353,516.34 : 530,275.61 = 87,276.89 : x
2. Step 2: Convert to fraction form
   353,516.34/530,275.61 = 87,276.89/x
3. Step 3: Cross multiply
   353,516.34x = 530,275.61 × 87,276.89
4. Step 4: Simplify right side
   353,516.34x = 46,280,802,995.89
5. Step 5: Solve for x
   x = 46,280,802,995.89/353,516.34
6. Step 6: Final answer
   x = 130,915.60