Finding the Fourth Proportional to 99,333.82, 137,083.59 and 54,011.74

Step by Step Solution

1. Step 1: Write the proportion equation
   99,333.82 : 137,083.59 = 54,011.74 : x
2. Step 2: Convert to fraction form
   99,333.82/137,083.59 = 54,011.74/x
3. Step 3: Cross multiply
   99,333.82x = 137,083.59 × 54,011.74
4. Step 4: Simplify right side
   99,333.82x = 7,404,123,221.35
5. Step 5: Solve for x
   x = 7,404,123,221.35/99,333.82
6. Step 6: Final answer
   x = 74,537.79