Finding the Fourth Proportional to 38,402.05, 57,612.79 and 10,700.05

Step by Step Solution

1. Step 1: Write the proportion equation
   38,402.05 : 57,612.79 = 10,700.05 : x
2. Step 2: Convert to fraction form
   38,402.05/57,612.79 = 10,700.05/x
3. Step 3: Cross multiply
   38,402.05x = 57,612.79 × 10,700.05
4. Step 4: Simplify right side
   38,402.05x = 616,459,733.64
5. Step 5: Solve for x
   x = 616,459,733.64/38,402.05
6. Step 6: Final answer
   x = 16,052.78