Finding the Fourth Proportional to 99,635, 137,496.30 and 54,923.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,635 : 137,496.30 = 54,923.96 : x
2. Step 2: Convert to fraction form
   99,635/137,496.30 = 54,923.96/x
3. Step 3: Cross multiply
   99,635x = 137,496.30 × 54,923.96
4. Step 4: Simplify right side
   99,635x = 7,551,841,281.35
5. Step 5: Solve for x
   x = 7,551,841,281.35/99,635
6. Step 6: Final answer
   x = 75,795.06