Finding the Fourth Proportional to 105,189.27, 157,785.30 and 35,068.61

Step by Step Solution

1. Step 1: Write the proportion equation
   105,189.27 : 157,785.30 = 35,068.61 : x
2. Step 2: Convert to fraction form
   105,189.27/157,785.30 = 35,068.61/x
3. Step 3: Cross multiply
   105,189.27x = 157,785.30 × 35,068.61
4. Step 4: Simplify right side
   105,189.27x = 5,533,310,360.51
5. Step 5: Solve for x
   x = 5,533,310,360.51/105,189.27
6. Step 6: Final answer
   x = 52,603.37