Finding the Fourth Proportional to 148,131.42, 204,425.91 and 81,064.86

Step by Step Solution

1. Step 1: Write the proportion equation
   148,131.42 : 204,425.91 = 81,064.86 : x
2. Step 2: Convert to fraction form
   148,131.42/204,425.91 = 81,064.86/x
3. Step 3: Cross multiply
   148,131.42x = 204,425.91 × 81,064.86
4. Step 4: Simplify right side
   148,131.42x = 16,571,757,774.52
5. Step 5: Solve for x
   x = 16,571,757,774.52/148,131.42
6. Step 6: Final answer
   x = 111,872.00