Finding the Fourth Proportional to 64,541.60, 89,068.55 and 35,863.91

Step by Step Solution

1. Step 1: Write the proportion equation
   64,541.60 : 89,068.55 = 35,863.91 : x
2. Step 2: Convert to fraction form
   64,541.60/89,068.55 = 35,863.91/x
3. Step 3: Cross multiply
   64,541.60x = 89,068.55 × 35,863.91
4. Step 4: Simplify right side
   64,541.60x = 3,194,345,836.37
5. Step 5: Solve for x
   x = 3,194,345,836.37/64,541.60
6. Step 6: Final answer
   x = 49,492.82