Finding the Fourth Proportional to 152,050.68, 228,173.94 and 81,978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   152,050.68 : 228,173.94 = 81,978.84 : x
2. Step 2: Convert to fraction form
   152,050.68/228,173.94 = 81,978.84/x
3. Step 3: Cross multiply
   152,050.68x = 228,173.94 × 81,978.84
4. Step 4: Simplify right side
   152,050.68x = 18,705,434,919.43
5. Step 5: Solve for x
   x = 18,705,434,919.43/152,050.68
6. Step 6: Final answer
   x = 123,021.05