Finding the Fourth Proportional to 105,141, 157,737.42 and 31,269

Step by Step Solution

1. Step 1: Write the proportion equation
   105,141 : 157,737.42 = 31,269 : x
2. Step 2: Convert to fraction form
   105,141/157,737.42 = 31,269/x
3. Step 3: Cross multiply
   105,141x = 157,737.42 × 31,269
4. Step 4: Simplify right side
   105,141x = 4,932,291,385.98
5. Step 5: Solve for x
   x = 4,932,291,385.98/105,141
6. Step 6: Final answer
   x = 46,911.21