Finding the Fourth Proportional to 52,416.82, 72,335.30 and 28,543.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,416.82 : 72,335.30 = 28,543.59 : x
2. Step 2: Convert to fraction form
   52,416.82/72,335.30 = 28,543.59/x
3. Step 3: Cross multiply
   52,416.82x = 72,335.30 × 28,543.59
4. Step 4: Simplify right side
   52,416.82x = 2,064,709,003.01
5. Step 5: Solve for x
   x = 2,064,709,003.01/52,416.82
6. Step 6: Final answer
   x = 39,390.20