Finding the Fourth Proportional to 64,555.89, 89,089.30 and 35,876.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,555.89 : 89,089.30 = 35,876.76 : x
2. Step 2: Convert to fraction form
   64,555.89/89,089.30 = 35,876.76/x
3. Step 3: Cross multiply
   64,555.89x = 89,089.30 × 35,876.76
4. Step 4: Simplify right side
   64,555.89x = 3,196,235,679.06
5. Step 5: Solve for x
   x = 3,196,235,679.06/64,555.89
6. Step 6: Final answer
   x = 49,511.14