Finding the Fourth Proportional to 89,462.75, 123,445.25 and 51,216.26

Step by Step Solution

1. Step 1: Write the proportion equation
   89,462.75 : 123,445.25 = 51,216.26 : x
2. Step 2: Convert to fraction form
   89,462.75/123,445.25 = 51,216.26/x
3. Step 3: Cross multiply
   89,462.75x = 123,445.25 × 51,216.26
4. Step 4: Simplify right side
   89,462.75x = 6,322,404,019.77
5. Step 5: Solve for x
   x = 6,322,404,019.77/89,462.75
6. Step 6: Final answer
   x = 70,670.80