Finding the Fourth Proportional to 93,281.42, 128,597.94 and 78,883.41

Step by Step Solution

1. Step 1: Write the proportion equation
   93,281.42 : 128,597.94 = 78,883.41 : x
2. Step 2: Convert to fraction form
   93,281.42/128,597.94 = 78,883.41/x
3. Step 3: Cross multiply
   93,281.42x = 128,597.94 × 78,883.41
4. Step 4: Simplify right side
   93,281.42x = 10,144,244,508.42
5. Step 5: Solve for x
   x = 10,144,244,508.42/93,281.42
6. Step 6: Final answer
   x = 108,748.82