Finding the Fourth Proportional to 89,546.04, 123,559.83 and 51,813

Step by Step Solution

1. Step 1: Write the proportion equation
   89,546.04 : 123,559.83 = 51,813 : x
2. Step 2: Convert to fraction form
   89,546.04/123,559.83 = 51,813/x
3. Step 3: Cross multiply
   89,546.04x = 123,559.83 × 51,813
4. Step 4: Simplify right side
   89,546.04x = 6,402,005,471.79
5. Step 5: Solve for x
   x = 6,402,005,471.79/89,546.04
6. Step 6: Final answer
   x = 71,494.01