Finding the Fourth Proportional to 89,554.56, 123,602.96 and 51,339.77

Step by Step Solution

1. Step 1: Write the proportion equation
   89,554.56 : 123,602.96 = 51,339.77 : x
2. Step 2: Convert to fraction form
   89,554.56/123,602.96 = 51,339.77/x
3. Step 3: Cross multiply
   89,554.56x = 123,602.96 × 51,339.77
4. Step 4: Simplify right side
   89,554.56x = 6,345,746,663.01
5. Step 5: Solve for x
   x = 6,345,746,663.01/89,554.56
6. Step 6: Final answer
   x = 70,859.00