Finding the Fourth Proportional to 31,030.09, 46,462.51 and 21,188.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.09 : 46,462.51 = 21,188.59 : x
2. Step 2: Convert to fraction form
   31,030.09/46,462.51 = 21,188.59/x
3. Step 3: Cross multiply
   31,030.09x = 46,462.51 × 21,188.59
4. Step 4: Simplify right side
   31,030.09x = 984,475,074.76
5. Step 5: Solve for x
   x = 984,475,074.76/31,030.09
6. Step 6: Final answer
   x = 31,726.47