Finding the Fourth Proportional to 99,620.00, 137,474.72 and 54,297.98

Step by Step Solution

1. Step 1: Write the proportion equation
   99,620.00 : 137,474.72 = 54,297.98 : x
2. Step 2: Convert to fraction form
   99,620.00/137,474.72 = 54,297.98/x
3. Step 3: Cross multiply
   99,620.00x = 137,474.72 × 54,297.98
4. Step 4: Simplify right side
   99,620.00x = 7,464,598,638.20
5. Step 5: Solve for x
   x = 7,464,598,638.20/99,620.00
6. Step 6: Final answer
   x = 74,930.73