Finding the Fourth Proportional to 89,836.86, 134,533.82 and 56,474.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,836.86 : 134,533.82 = 56,474.18 : x
2. Step 2: Convert to fraction form
   89,836.86/134,533.82 = 56,474.18/x
3. Step 3: Cross multiply
   89,836.86x = 134,533.82 × 56,474.18
4. Step 4: Simplify right side
   89,836.86x = 7,597,686,211.73
5. Step 5: Solve for x
   x = 7,597,686,211.73/89,836.86
6. Step 6: Final answer
   x = 84,572.04