Finding the Fourth Proportional to 31,128.77, 46,649.39 and 23,343.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,128.77 : 46,649.39 = 23,343.05 : x
2. Step 2: Convert to fraction form
   31,128.77/46,649.39 = 23,343.05/x
3. Step 3: Cross multiply
   31,128.77x = 46,649.39 × 23,343.05
4. Step 4: Simplify right side
   31,128.77x = 1,088,939,043.15
5. Step 5: Solve for x
   x = 1,088,939,043.15/31,128.77
6. Step 6: Final answer
   x = 34,981.75