Finding the Fourth Proportional to 46,399, 64,030.76 and 28,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   46,399 : 64,030.76 = 28,493.82 : x
2. Step 2: Convert to fraction form
   46,399/64,030.76 = 28,493.82/x
3. Step 3: Cross multiply
   46,399x = 64,030.76 × 28,493.82
4. Step 4: Simplify right side
   46,399x = 1,824,480,949.90
5. Step 5: Solve for x
   x = 1,824,480,949.90/46,399
6. Step 6: Final answer
   x = 39,321.56