Finding the Fourth Proportional to 128,333.03, 177,100.70 and 70,969.37

Step by Step Solution

1. Step 1: Write the proportion equation
   128,333.03 : 177,100.70 = 70,969.37 : x
2. Step 2: Convert to fraction form
   128,333.03/177,100.70 = 70,969.37/x
3. Step 3: Cross multiply
   128,333.03x = 177,100.70 × 70,969.37
4. Step 4: Simplify right side
   128,333.03x = 12,568,723,865.21
5. Step 5: Solve for x
   x = 12,568,723,865.21/128,333.03
6. Step 6: Final answer
   x = 97,938.34