Finding the Fourth Proportional to 99,546.62, 137,374.35 and 54,834.62

Step by Step Solution

1. Step 1: Write the proportion equation
   99,546.62 : 137,374.35 = 54,834.62 : x
2. Step 2: Convert to fraction form
   99,546.62/137,374.35 = 54,834.62/x
3. Step 3: Cross multiply
   99,546.62x = 137,374.35 × 54,834.62
4. Step 4: Simplify right side
   99,546.62x = 7,532,870,280.00
5. Step 5: Solve for x
   x = 7,532,870,280.00/99,546.62
6. Step 6: Final answer
   x = 75,671.78