Finding the Fourth Proportional to 52,326.93, 72,185.79 and 31,091.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,326.93 : 72,185.79 = 31,091.16 : x
2. Step 2: Convert to fraction form
   52,326.93/72,185.79 = 31,091.16/x
3. Step 3: Cross multiply
   52,326.93x = 72,185.79 × 31,091.16
4. Step 4: Simplify right side
   52,326.93x = 2,244,340,333.90
5. Step 5: Solve for x
   x = 2,244,340,333.90/52,326.93
6. Step 6: Final answer
   x = 42,890.73