Finding the Fourth Proportional to 52,245.13, 72,099.71 and 30,736.39

Step by Step Solution

1. Step 1: Write the proportion equation
   52,245.13 : 72,099.71 = 30,736.39 : x
2. Step 2: Convert to fraction form
   52,245.13/72,099.71 = 30,736.39/x
3. Step 3: Cross multiply
   52,245.13x = 72,099.71 × 30,736.39
4. Step 4: Simplify right side
   52,245.13x = 2,216,084,805.45
5. Step 5: Solve for x
   x = 2,216,084,805.45/52,245.13
6. Step 6: Final answer
   x = 42,417.06