Finding the Fourth Proportional to 70,529.47, 105,793.72 and 17,938.49

Step by Step Solution

1. Step 1: Write the proportion equation
   70,529.47 : 105,793.72 = 17,938.49 : x
2. Step 2: Convert to fraction form
   70,529.47/105,793.72 = 17,938.49/x
3. Step 3: Cross multiply
   70,529.47x = 105,793.72 × 17,938.49
4. Step 4: Simplify right side
   70,529.47x = 1,897,779,014.47
5. Step 5: Solve for x
   x = 1,897,779,014.47/70,529.47
6. Step 6: Final answer
   x = 26,907.60