Finding the Fourth Proportional to 127,627.50, 191,106.84 and 89,983.80

Step by Step Solution

1. Step 1: Write the proportion equation
   127,627.50 : 191,106.84 = 89,983.80 : x
2. Step 2: Convert to fraction form
   127,627.50/191,106.84 = 89,983.80/x
3. Step 3: Cross multiply
   127,627.50x = 191,106.84 × 89,983.80
4. Step 4: Simplify right side
   127,627.50x = 17,196,519,669.19
5. Step 5: Solve for x
   x = 17,196,519,669.19/127,627.50
6. Step 6: Final answer
   x = 134,739.92