Finding the Fourth Proportional to 105,201, 157,828.86 and 31,329

Step by Step Solution

1. Step 1: Write the proportion equation
   105,201 : 157,828.86 = 31,329 : x
2. Step 2: Convert to fraction form
   105,201/157,828.86 = 31,329/x
3. Step 3: Cross multiply
   105,201x = 157,828.86 × 31,329
4. Step 4: Simplify right side
   105,201x = 4,944,620,354.94
5. Step 5: Solve for x
   x = 4,944,620,354.94/105,201
6. Step 6: Final answer
   x = 47,001.65