Finding the Fourth Proportional to 99,551.82, 137,381.52 and 54,839.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,551.82 : 137,381.52 = 54,839.82 : x
2. Step 2: Convert to fraction form
   99,551.82/137,381.52 = 54,839.82/x
3. Step 3: Cross multiply
   99,551.82x = 137,381.52 × 54,839.82
4. Step 4: Simplify right side
   99,551.82x = 7,533,977,828.13
5. Step 5: Solve for x
   x = 7,533,977,828.13/99,551.82
6. Step 6: Final answer
   x = 75,678.96