Finding the Fourth Proportional to 105,091.19, 157,607.61 and 29,172.29

Step by Step Solution

1. Step 1: Write the proportion equation
   105,091.19 : 157,607.61 = 29,172.29 : x
2. Step 2: Convert to fraction form
   105,091.19/157,607.61 = 29,172.29/x
3. Step 3: Cross multiply
   105,091.19x = 157,607.61 × 29,172.29
4. Step 4: Simplify right side
   105,091.19x = 4,597,774,007.69
5. Step 5: Solve for x
   x = 4,597,774,007.69/105,091.19
6. Step 6: Final answer
   x = 43,750.33