Finding the Fourth Proportional to 148,837.42, 205,399.02 and 80,856.82

Step by Step Solution

1. Step 1: Write the proportion equation
   148,837.42 : 205,399.02 = 80,856.82 : x
2. Step 2: Convert to fraction form
   148,837.42/205,399.02 = 80,856.82/x
3. Step 3: Cross multiply
   148,837.42x = 205,399.02 × 80,856.82
4. Step 4: Simplify right side
   148,837.42x = 16,607,911,588.32
5. Step 5: Solve for x
   x = 16,607,911,588.32/148,837.42
6. Step 6: Final answer
   x = 111,584.25