Finding the Fourth Proportional to 52,245, 72,099.54 and 30,736.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,245 : 72,099.54 = 30,736.35 : x
2. Step 2: Convert to fraction form
   52,245/72,099.54 = 30,736.35/x
3. Step 3: Cross multiply
   52,245x = 72,099.54 × 30,736.35
4. Step 4: Simplify right side
   52,245x = 2,216,076,696.28
5. Step 5: Solve for x
   x = 2,216,076,696.28/52,245
6. Step 6: Final answer
   x = 42,417.01