Finding the Fourth Proportional to 99,914.83, 137,878.36 and 54,594.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,914.83 : 137,878.36 = 54,594.37 : x
2. Step 2: Convert to fraction form
   99,914.83/137,878.36 = 54,594.37/x
3. Step 3: Cross multiply
   99,914.83x = 137,878.36 × 54,594.37
4. Step 4: Simplify right side
   99,914.83x = 7,527,382,200.83
5. Step 5: Solve for x
   x = 7,527,382,200.83/99,914.83
6. Step 6: Final answer
   x = 75,337.99