Finding the Fourth Proportional to 51,386.22, 70,915.05 and 29,875.86

Step by Step Solution

1. Step 1: Write the proportion equation
   51,386.22 : 70,915.05 = 29,875.86 : x
2. Step 2: Convert to fraction form
   51,386.22/70,915.05 = 29,875.86/x
3. Step 3: Cross multiply
   51,386.22x = 70,915.05 × 29,875.86
4. Step 4: Simplify right side
   51,386.22x = 2,118,648,105.69
5. Step 5: Solve for x
   x = 2,118,648,105.69/51,386.22
6. Step 6: Final answer
   x = 41,229.89