Finding the Fourth Proportional to 62,621.37, 86,421.03 and 37,142.82

Step by Step Solution

1. Step 1: Write the proportion equation
   62,621.37 : 86,421.03 = 37,142.82 : x
2. Step 2: Convert to fraction form
   62,621.37/86,421.03 = 37,142.82/x
3. Step 3: Cross multiply
   62,621.37x = 86,421.03 × 37,142.82
4. Step 4: Simplify right side
   62,621.37x = 3,209,920,761.50
5. Step 5: Solve for x
   x = 3,209,920,761.50/62,621.37
6. Step 6: Final answer
   x = 51,259.19