Finding the Fourth Proportional to 52,804.86, 72,870.69 and 31,589.11

Step by Step Solution

1. Step 1: Write the proportion equation
   52,804.86 : 72,870.69 = 31,589.11 : x
2. Step 2: Convert to fraction form
   52,804.86/72,870.69 = 31,589.11/x
3. Step 3: Cross multiply
   52,804.86x = 72,870.69 × 31,589.11
4. Step 4: Simplify right side
   52,804.86x = 2,301,920,242.19
5. Step 5: Solve for x
   x = 2,301,920,242.19/52,804.86
6. Step 6: Final answer
   x = 43,592.96