Finding the Fourth Proportional to 89,765.32, 123,870.50 and 49,476.86

Step by Step Solution

1. Step 1: Write the proportion equation
   89,765.32 : 123,870.50 = 49,476.86 : x
2. Step 2: Convert to fraction form
   89,765.32/123,870.50 = 49,476.86/x
3. Step 3: Cross multiply
   89,765.32x = 123,870.50 × 49,476.86
4. Step 4: Simplify right side
   89,765.32x = 6,128,723,386.63
5. Step 5: Solve for x
   x = 6,128,723,386.63/89,765.32
6. Step 6: Final answer
   x = 68,274.96