Finding the Fourth Proportional to 48,467.55, 72,689.17 and 34,386.51

Step by Step Solution

1. Step 1: Write the proportion equation
   48,467.55 : 72,689.17 = 34,386.51 : x
2. Step 2: Convert to fraction form
   48,467.55/72,689.17 = 34,386.51/x
3. Step 3: Cross multiply
   48,467.55x = 72,689.17 × 34,386.51
4. Step 4: Simplify right side
   48,467.55x = 2,499,526,871.10
5. Step 5: Solve for x
   x = 2,499,526,871.10/48,467.55
6. Step 6: Final answer
   x = 51,571.14