Finding the Fourth Proportional to 31,050.68, 42,848.73 and 17,621.13

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.68 : 42,848.73 = 17,621.13 : x
2. Step 2: Convert to fraction form
   31,050.68/42,848.73 = 17,621.13/x
3. Step 3: Cross multiply
   31,050.68x = 42,848.73 × 17,621.13
4. Step 4: Simplify right side
   31,050.68x = 755,043,041.66
5. Step 5: Solve for x
   x = 755,043,041.66/31,050.68
6. Step 6: Final answer
   x = 24,316.48