Finding the Fourth Proportional to 144,625, 216,941.34 and 46,129

Step by Step Solution

1. Step 1: Write the proportion equation
   144,625 : 216,941.34 = 46,129 : x
2. Step 2: Convert to fraction form
   144,625/216,941.34 = 46,129/x
3. Step 3: Cross multiply
   144,625x = 216,941.34 × 46,129
4. Step 4: Simplify right side
   144,625x = 10,007,287,072.86
5. Step 5: Solve for x
   x = 10,007,287,072.86/144,625
6. Step 6: Final answer
   x = 69,194.72