Finding the Fourth Proportional to 32,902.86, 45,406.29 and 30,391.47

Step by Step Solution

1. Step 1: Write the proportion equation
   32,902.86 : 45,406.29 = 30,391.47 : x
2. Step 2: Convert to fraction form
   32,902.86/45,406.29 = 30,391.47/x
3. Step 3: Cross multiply
   32,902.86x = 45,406.29 × 30,391.47
4. Step 4: Simplify right side
   32,902.86x = 1,379,963,900.35
5. Step 5: Solve for x
   x = 1,379,963,900.35/32,902.86
6. Step 6: Final answer
   x = 41,940.55