Finding the Fourth Proportional to 31,272.93, 43,156.71 and 16,932.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,272.93 : 43,156.71 = 16,932.78 : x
2. Step 2: Convert to fraction form
   31,272.93/43,156.71 = 16,932.78/x
3. Step 3: Cross multiply
   31,272.93x = 43,156.71 × 16,932.78
4. Step 4: Simplify right side
   31,272.93x = 730,763,075.95
5. Step 5: Solve for x
   x = 730,763,075.95/31,272.93
6. Step 6: Final answer
   x = 23,367.27