Finding the Fourth Proportional to 88,189.08, 121,676.22 and 83,756.76

Step by Step Solution

1. Step 1: Write the proportion equation
   88,189.08 : 121,676.22 = 83,756.76 : x
2. Step 2: Convert to fraction form
   88,189.08/121,676.22 = 83,756.76/x
3. Step 3: Cross multiply
   88,189.08x = 121,676.22 × 83,756.76
4. Step 4: Simplify right side
   88,189.08x = 10,191,205,956.25
5. Step 5: Solve for x
   x = 10,191,205,956.25/88,189.08
6. Step 6: Final answer
   x = 115,560.86