Finding the Fourth Proportional to 119,790,806.04, 165,311,311.86 and 64,786,662.54

Step by Step Solution

1. Step 1: Write the proportion equation
   119,790,806.04 : 165,311,311.86 = 64,786,662.54 : x
2. Step 2: Convert to fraction form
   119,790,806.04/165,311,311.86 = 64,786,662.54/x
3. Step 3: Cross multiply
   119,790,806.04x = 165,311,311.86 × 64,786,662.54
4. Step 4: Simplify right side
   119,790,806.04x = 10,709,968,175,518,520
5. Step 5: Solve for x
   x = 10,709,968,175,518,520/119,790,806.04
6. Step 6: Final answer
   x = 89,405,594.05