Finding the Fourth Proportional to 31,056.19, 42,853.95 and 17,624.77

Step by Step Solution

1. Step 1: Write the proportion equation
   31,056.19 : 42,853.95 = 17,624.77 : x
2. Step 2: Convert to fraction form
   31,056.19/42,853.95 = 17,624.77/x
3. Step 3: Cross multiply
   31,056.19x = 42,853.95 × 17,624.77
4. Step 4: Simplify right side
   31,056.19x = 755,291,012.34
5. Step 5: Solve for x
   x = 755,291,012.34/31,056.19
6. Step 6: Final answer
   x = 24,320.14