Finding the Fourth Proportional to 107,815.04, 161,751.74 and 61,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,815.04 : 161,751.74 = 61,100.72 : x
2. Step 2: Convert to fraction form
   107,815.04/161,751.74 = 61,100.72/x
3. Step 3: Cross multiply
   107,815.04x = 161,751.74 × 61,100.72
4. Step 4: Simplify right side
   107,815.04x = 9,883,147,775.25
5. Step 5: Solve for x
   x = 9,883,147,775.25/107,815.04
6. Step 6: Final answer
   x = 91,667.62