Finding the Fourth Proportional to 108,856.51, 150,213.69 and 61,100.53

Step by Step Solution

1. Step 1: Write the proportion equation
   108,856.51 : 150,213.69 = 61,100.53 : x
2. Step 2: Convert to fraction form
   108,856.51/150,213.69 = 61,100.53/x
3. Step 3: Cross multiply
   108,856.51x = 150,213.69 × 61,100.53
4. Step 4: Simplify right side
   108,856.51x = 9,178,135,696.72
5. Step 5: Solve for x
   x = 9,178,135,696.72/108,856.51
6. Step 6: Final answer
   x = 84,314.07