Finding the Fourth Proportional to 62,970.56, 86,899.50 and 34,676.30

Step by Step Solution

1. Step 1: Write the proportion equation
   62,970.56 : 86,899.50 = 34,676.30 : x
2. Step 2: Convert to fraction form
   62,970.56/86,899.50 = 34,676.30/x
3. Step 3: Cross multiply
   62,970.56x = 86,899.50 × 34,676.30
4. Step 4: Simplify right side
   62,970.56x = 3,013,353,131.85
5. Step 5: Solve for x
   x = 3,013,353,131.85/62,970.56
6. Step 6: Final answer
   x = 47,853.36