Finding the Fourth Proportional to 34,830.54, 48,066.15 and 18,915

Step by Step Solution

1. Step 1: Write the proportion equation
   34,830.54 : 48,066.15 = 18,915 : x
2. Step 2: Convert to fraction form
   34,830.54/48,066.15 = 18,915/x
3. Step 3: Cross multiply
   34,830.54x = 48,066.15 × 18,915
4. Step 4: Simplify right side
   34,830.54x = 909,171,227.25
5. Step 5: Solve for x
   x = 909,171,227.25/34,830.54
6. Step 6: Final answer
   x = 26,102.70