Finding the Fourth Proportional to 31,216.42, 43,066.62 and 19,259.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,216.42 : 43,066.62 = 19,259.02 : x
2. Step 2: Convert to fraction form
   31,216.42/43,066.62 = 19,259.02/x
3. Step 3: Cross multiply
   31,216.42x = 43,066.62 × 19,259.02
4. Step 4: Simplify right side
   31,216.42x = 829,420,895.91
5. Step 5: Solve for x
   x = 829,420,895.91/31,216.42
6. Step 6: Final answer
   x = 26,570.02