Finding the Fourth Proportional to 128,093.14, 192,256.89 and 64,956.84

Step by Step Solution

1. Step 1: Write the proportion equation
   128,093.14 : 192,256.89 = 64,956.84 : x
2. Step 2: Convert to fraction form
   128,093.14/192,256.89 = 64,956.84/x
3. Step 3: Cross multiply
   128,093.14x = 192,256.89 × 64,956.84
4. Step 4: Simplify right side
   128,093.14x = 12,488,399,081.34
5. Step 5: Solve for x
   x = 12,488,399,081.34/128,093.14
6. Step 6: Final answer
   x = 97,494.68