Finding the Fourth Proportional to 64,678,766.38, 89,258,051.52 and 35,311,336.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,678,766.38 : 89,258,051.52 = 35,311,336.72 : x
2. Step 2: Convert to fraction form
   64,678,766.38/89,258,051.52 = 35,311,336.72/x
3. Step 3: Cross multiply
   64,678,766.38x = 89,258,051.52 × 35,311,336.72
4. Step 4: Simplify right side
   64,678,766.38x = 3,151,821,112,193,827.50
5. Step 5: Solve for x
   x = 3,151,821,112,193,827.50/64,678,766.38
6. Step 6: Final answer
   x = 48,730,383.84