Finding the Fourth Proportional to 45,634, 63,003.81 and 31,317.79

Step by Step Solution

1. Step 1: Write the proportion equation
   45,634 : 63,003.81 = 31,317.79 : x
2. Step 2: Convert to fraction form
   45,634/63,003.81 = 31,317.79/x
3. Step 3: Cross multiply
   45,634x = 63,003.81 × 31,317.79
4. Step 4: Simplify right side
   45,634x = 1,973,140,090.78
5. Step 5: Solve for x
   x = 1,973,140,090.78/45,634
6. Step 6: Final answer
   x = 43,238.38