Finding the Fourth Proportional to 45,796.47, 63,220.77 and 30,699

Step by Step Solution

1. Step 1: Write the proportion equation
   45,796.47 : 63,220.77 = 30,699 : x
2. Step 2: Convert to fraction form
   45,796.47/63,220.77 = 30,699/x
3. Step 3: Cross multiply
   45,796.47x = 63,220.77 × 30,699
4. Step 4: Simplify right side
   45,796.47x = 1,940,814,418.23
5. Step 5: Solve for x
   x = 1,940,814,418.23/45,796.47
6. Step 6: Final answer
   x = 42,379.13