Finding the Fourth Proportional to 89,182.72, 133,656.72 and 49,758.40

Step by Step Solution

1. Step 1: Write the proportion equation
   89,182.72 : 133,656.72 = 49,758.40 : x
2. Step 2: Convert to fraction form
   89,182.72/133,656.72 = 49,758.40/x
3. Step 3: Cross multiply
   89,182.72x = 133,656.72 × 49,758.40
4. Step 4: Simplify right side
   89,182.72x = 6,650,544,536.45
5. Step 5: Solve for x
   x = 6,650,544,536.45/89,182.72
6. Step 6: Final answer
   x = 74,572.12