Finding the Fourth Proportional to 64,780.94, 88,815.00 and 63,600.14

Step by Step Solution

1. Step 1: Write the proportion equation
   64,780.94 : 88,815.00 = 63,600.14 : x
2. Step 2: Convert to fraction form
   64,780.94/88,815.00 = 63,600.14/x
3. Step 3: Cross multiply
   64,780.94x = 88,815.00 × 63,600.14
4. Step 4: Simplify right side
   64,780.94x = 5,648,646,116.10
5. Step 5: Solve for x
   x = 5,648,646,116.10/64,780.94
6. Step 6: Final answer
   x = 87,196.11