Finding the Fourth Proportional to 48,748.63, 67,296.50 and 30,852.31

Step by Step Solution

1. Step 1: Write the proportion equation
   48,748.63 : 67,296.50 = 30,852.31 : x
2. Step 2: Convert to fraction form
   48,748.63/67,296.50 = 30,852.31/x
3. Step 3: Cross multiply
   48,748.63x = 67,296.50 × 30,852.31
4. Step 4: Simplify right side
   48,748.63x = 2,076,252,325.65
5. Step 5: Solve for x
   x = 2,076,252,325.65/48,748.63
6. Step 6: Final answer
   x = 42,590.99