Finding the Fourth Proportional to 73,089.25, 109,317.15 and 43,031.86

Step by Step Solution

1. Step 1: Write the proportion equation
   73,089.25 : 109,317.15 = 43,031.86 : x
2. Step 2: Convert to fraction form
   73,089.25/109,317.15 = 43,031.86/x
3. Step 3: Cross multiply
   73,089.25x = 109,317.15 × 43,031.86
4. Step 4: Simplify right side
   73,089.25x = 4,704,120,294.40
5. Step 5: Solve for x
   x = 4,704,120,294.40/73,089.25
6. Step 6: Final answer
   x = 64,361.32