Finding the Fourth Proportional to 171,646, 257,507.94 and 60,838

Step by Step Solution

1. Step 1: Write the proportion equation
   171,646 : 257,507.94 = 60,838 : x
2. Step 2: Convert to fraction form
   171,646/257,507.94 = 60,838/x
3. Step 3: Cross multiply
   171,646x = 257,507.94 × 60,838
4. Step 4: Simplify right side
   171,646x = 15,666,268,053.72
5. Step 5: Solve for x
   x = 15,666,268,053.72/171,646
6. Step 6: Final answer
   x = 91,270.80