Finding the Fourth Proportional to 62,323.44, 85,978.91 and 42,173.28

Step by Step Solution

1. Step 1: Write the proportion equation
   62,323.44 : 85,978.91 = 42,173.28 : x
2. Step 2: Convert to fraction form
   62,323.44/85,978.91 = 42,173.28/x
3. Step 3: Cross multiply
   62,323.44x = 85,978.91 × 42,173.28
4. Step 4: Simplify right side
   62,323.44x = 3,626,012,434.66
5. Step 5: Solve for x
   x = 3,626,012,434.66/62,323.44
6. Step 6: Final answer
   x = 58,180.56