Finding the Fourth Proportional to 31,055.19, 42,852.57 and 17,623.77

Step by Step Solution

1. Step 1: Write the proportion equation
   31,055.19 : 42,852.57 = 17,623.77 : x
2. Step 2: Convert to fraction form
   31,055.19/42,852.57 = 17,623.77/x
3. Step 3: Cross multiply
   31,055.19x = 42,852.57 × 17,623.77
4. Step 4: Simplify right side
   31,055.19x = 755,223,837.59
5. Step 5: Solve for x
   x = 755,223,837.59/31,055.19
6. Step 6: Final answer
   x = 24,318.76