Finding the Fourth Proportional to 89,156.32, 123,048.32 and 55,175.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,156.32 : 123,048.32 = 55,175.74 : x
2. Step 2: Convert to fraction form
   89,156.32/123,048.32 = 55,175.74/x
3. Step 3: Cross multiply
   89,156.32x = 123,048.32 × 55,175.74
4. Step 4: Simplify right side
   89,156.32x = 6,789,281,528.26
5. Step 5: Solve for x
   x = 6,789,281,528.26/89,156.32
6. Step 6: Final answer
   x = 76,150.31