Finding the Fourth Proportional to 108,820.19, 150,186.51 and 61,076.15

Step by Step Solution

1. Step 1: Write the proportion equation
   108,820.19 : 150,186.51 = 61,076.15 : x
2. Step 2: Convert to fraction form
   108,820.19/150,186.51 = 61,076.15/x
3. Step 3: Cross multiply
   108,820.19x = 150,186.51 × 61,076.15
4. Step 4: Simplify right side
   108,820.19x = 9,172,813,061.80
5. Step 5: Solve for x
   x = 9,172,813,061.80/108,820.19
6. Step 6: Final answer
   x = 84,293.31