Finding the Fourth Proportional to 72,935.96, 100,661.50 and 42,733.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,935.96 : 100,661.50 = 42,733.33 : x
2. Step 2: Convert to fraction form
   72,935.96/100,661.50 = 42,733.33/x
3. Step 3: Cross multiply
   72,935.96x = 100,661.50 × 42,733.33
4. Step 4: Simplify right side
   72,935.96x = 4,301,601,097.80
5. Step 5: Solve for x
   x = 4,301,601,097.80/72,935.96
6. Step 6: Final answer
   x = 58,977.78