Finding the Fourth Proportional to 34,188.79, 51,114.60 and 28,981.91

Step by Step Solution

1. Step 1: Write the proportion equation
   34,188.79 : 51,114.60 = 28,981.91 : x
2. Step 2: Convert to fraction form
   34,188.79/51,114.60 = 28,981.91/x
3. Step 3: Cross multiply
   34,188.79x = 51,114.60 × 28,981.91
4. Step 4: Simplify right side
   34,188.79x = 1,481,398,736.89
5. Step 5: Solve for x
   x = 1,481,398,736.89/34,188.79
6. Step 6: Final answer
   x = 43,329.96