Finding the Fourth Proportional to 47,393.30, 71,130.86 and 19,328.83

Step by Step Solution

1. Step 1: Write the proportion equation
   47,393.30 : 71,130.86 = 19,328.83 : x
2. Step 2: Convert to fraction form
   47,393.30/71,130.86 = 19,328.83/x
3. Step 3: Cross multiply
   47,393.30x = 71,130.86 × 19,328.83
4. Step 4: Simplify right side
   47,393.30x = 1,374,876,300.69
5. Step 5: Solve for x
   x = 1,374,876,300.69/47,393.30
6. Step 6: Final answer
   x = 29,009.93