Finding the Fourth Proportional to 99,636, 137,500.56 and 54,926.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,636 : 137,500.56 = 54,926.88 : x
2. Step 2: Convert to fraction form
   99,636/137,500.56 = 54,926.88/x
3. Step 3: Cross multiply
   99,636x = 137,500.56 × 54,926.88
4. Step 4: Simplify right side
   99,636x = 7,552,476,759.05
5. Step 5: Solve for x
   x = 7,552,476,759.05/99,636
6. Step 6: Final answer
   x = 75,800.68