Finding the Fourth Proportional to 31,633.68, 43,641.80 and 19,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,633.68 : 43,641.80 = 19,056.72 : x
2. Step 2: Convert to fraction form
   31,633.68/43,641.80 = 19,056.72/x
3. Step 3: Cross multiply
   31,633.68x = 43,641.80 × 19,056.72
4. Step 4: Simplify right side
   31,633.68x = 831,669,562.90
5. Step 5: Solve for x
   x = 831,669,562.90/31,633.68
6. Step 6: Final answer
   x = 26,290.64