Finding the Fourth Proportional to 99,334.12, 137,081.25 and 54,012.06

Step by Step Solution

1. Step 1: Write the proportion equation
   99,334.12 : 137,081.25 = 54,012.06 : x
2. Step 2: Convert to fraction form
   99,334.12/137,081.25 = 54,012.06/x
3. Step 3: Cross multiply
   99,334.12x = 137,081.25 × 54,012.06
4. Step 4: Simplify right side
   99,334.12x = 7,404,040,429.81
5. Step 5: Solve for x
   x = 7,404,040,429.81/99,334.12
6. Step 6: Final answer
   x = 74,536.73