Finding the Fourth Proportional to 70,808.68, 106,188.27 and 20,875.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,808.68 : 106,188.27 = 20,875.52 : x
2. Step 2: Convert to fraction form
   70,808.68/106,188.27 = 20,875.52/x
3. Step 3: Cross multiply
   70,808.68x = 106,188.27 × 20,875.52
4. Step 4: Simplify right side
   70,808.68x = 2,216,735,541.34
5. Step 5: Solve for x
   x = 2,216,735,541.34/70,808.68
6. Step 6: Final answer
   x = 31,305.99