Finding the Fourth Proportional to 67,534.17, 101,302.56 and 20,787

Step by Step Solution

1. Step 1: Write the proportion equation
   67,534.17 : 101,302.56 = 20,787 : x
2. Step 2: Convert to fraction form
   67,534.17/101,302.56 = 20,787/x
3. Step 3: Cross multiply
   67,534.17x = 101,302.56 × 20,787
4. Step 4: Simplify right side
   67,534.17x = 2,105,776,314.72
5. Step 5: Solve for x
   x = 2,105,776,314.72/67,534.17
6. Step 6: Final answer
   x = 31,180.90