Finding the Fourth Proportional to 46,404.69, 64,038.63 and 28,499.64

Step by Step Solution

1. Step 1: Write the proportion equation
   46,404.69 : 64,038.63 = 28,499.64 : x
2. Step 2: Convert to fraction form
   46,404.69/64,038.63 = 28,499.64/x
3. Step 3: Cross multiply
   46,404.69x = 64,038.63 × 28,499.64
4. Step 4: Simplify right side
   46,404.69x = 1,825,077,901.09
5. Step 5: Solve for x
   x = 1,825,077,901.09/46,404.69
6. Step 6: Final answer
   x = 39,329.60