Finding the Fourth Proportional to 52,880.67, 72,978.63 and 29,007.36

Step by Step Solution

1. Step 1: Write the proportion equation
   52,880.67 : 72,978.63 = 29,007.36 : x
2. Step 2: Convert to fraction form
   52,880.67/72,978.63 = 29,007.36/x
3. Step 3: Cross multiply
   52,880.67x = 72,978.63 × 29,007.36
4. Step 4: Simplify right side
   52,880.67x = 2,116,917,392.72
5. Step 5: Solve for x
   x = 2,116,917,392.72/52,880.67
6. Step 6: Final answer
   x = 40,031.97