Finding the Fourth Proportional to 52,326.95, 72,185.81 and 31,091.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,326.95 : 72,185.81 = 31,091.18 : x
2. Step 2: Convert to fraction form
   52,326.95/72,185.81 = 31,091.18/x
3. Step 3: Cross multiply
   52,326.95x = 72,185.81 × 31,091.18
4. Step 4: Simplify right side
   52,326.95x = 2,244,341,495.77
5. Step 5: Solve for x
   x = 2,244,341,495.77/52,326.95
6. Step 6: Final answer
   x = 42,890.74