Finding the Fourth Proportional to 89,602.56, 123,662.16 and 51,878.16

Step by Step Solution

1. Step 1: Write the proportion equation
   89,602.56 : 123,662.16 = 51,878.16 : x
2. Step 2: Convert to fraction form
   89,602.56/123,662.16 = 51,878.16/x
3. Step 3: Cross multiply
   89,602.56x = 123,662.16 × 51,878.16
4. Step 4: Simplify right side
   89,602.56x = 6,415,365,322.43
5. Step 5: Solve for x
   x = 6,415,365,322.43/89,602.56
6. Step 6: Final answer
   x = 71,598.01