Finding the Fourth Proportional to 169,411.42, 254,139.20 and 51,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   169,411.42 : 254,139.20 = 51,094.72 : x
2. Step 2: Convert to fraction form
   169,411.42/254,139.20 = 51,094.72/x
3. Step 3: Cross multiply
   169,411.42x = 254,139.20 × 51,094.72
4. Step 4: Simplify right side
   169,411.42x = 12,985,171,265.02
5. Step 5: Solve for x
   x = 12,985,171,265.02/169,411.42
6. Step 6: Final answer
   x = 76,648.74