Finding the Fourth Proportional to 52,328.16, 72,208.17 and 29,045.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,328.16 : 72,208.17 = 29,045.21 : x
2. Step 2: Convert to fraction form
   52,328.16/72,208.17 = 29,045.21/x
3. Step 3: Cross multiply
   52,328.16x = 72,208.17 × 29,045.21
4. Step 4: Simplify right side
   52,328.16x = 2,097,301,100.32
5. Step 5: Solve for x
   x = 2,097,301,100.32/52,328.16
6. Step 6: Final answer
   x = 40,079.78