Finding the Fourth Proportional to 108,877.02, 150,212.79 and 61,123.74

Step by Step Solution

1. Step 1: Write the proportion equation
   108,877.02 : 150,212.79 = 61,123.74 : x
2. Step 2: Convert to fraction form
   108,877.02/150,212.79 = 61,123.74/x
3. Step 3: Cross multiply
   108,877.02x = 150,212.79 × 61,123.74
4. Step 4: Simplify right side
   108,877.02x = 9,181,567,520.63
5. Step 5: Solve for x
   x = 9,181,567,520.63/108,877.02
6. Step 6: Final answer
   x = 84,329.71