Finding the Fourth Proportional to 99,396.58, 149,096.08 and 55,109.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,396.58 : 149,096.08 = 55,109.82 : x
2. Step 2: Convert to fraction form
   99,396.58/149,096.08 = 55,109.82/x
3. Step 3: Cross multiply
   99,396.58x = 149,096.08 × 55,109.82
4. Step 4: Simplify right side
   99,396.58x = 8,216,658,131.51
5. Step 5: Solve for x
   x = 8,216,658,131.51/99,396.58
6. Step 6: Final answer
   x = 82,665.40