Finding the Fourth Proportional to 99,351, 137,105.04 and 54,029.49

Step by Step Solution

1. Step 1: Write the proportion equation
   99,351 : 137,105.04 = 54,029.49 : x
2. Step 2: Convert to fraction form
   99,351/137,105.04 = 54,029.49/x
3. Step 3: Cross multiply
   99,351x = 137,105.04 × 54,029.49
4. Step 4: Simplify right side
   99,351x = 7,407,715,387.63
5. Step 5: Solve for x
   x = 7,407,715,387.63/99,351
6. Step 6: Final answer
   x = 74,561.06