Finding the Fourth Proportional to 119,790,185.25, 165,310,455.53 and 64,786,041.69

Step by Step Solution

1. Step 1: Write the proportion equation
   119,790,185.25 : 165,310,455.53 = 64,786,041.69 : x
2. Step 2: Convert to fraction form
   119,790,185.25/165,310,455.53 = 64,786,041.69/x
3. Step 3: Cross multiply
   119,790,185.25x = 165,310,455.53 × 64,786,041.69
4. Step 4: Simplify right side
   119,790,185.25x = 10,709,810,063,435,540
5. Step 5: Solve for x
   x = 10,709,810,063,435,540/119,790,185.25
6. Step 6: Final answer
   x = 89,404,737.47