Finding the Fourth Proportional to 140,785.56, 211,009.41 and 98,434.71

Step by Step Solution

1. Step 1: Write the proportion equation
   140,785.56 : 211,009.41 = 98,434.71 : x
2. Step 2: Convert to fraction form
   140,785.56/211,009.41 = 98,434.71/x
3. Step 3: Cross multiply
   140,785.56x = 211,009.41 × 98,434.71
4. Step 4: Simplify right side
   140,785.56x = 20,770,650,080.62
5. Step 5: Solve for x
   x = 20,770,650,080.62/140,785.56
6. Step 6: Final answer
   x = 147,533.95