Finding the Fourth Proportional to 99,384.57, 149,078.07 and 55,097.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,384.57 : 149,078.07 = 55,097.82 : x
2. Step 2: Convert to fraction form
   99,384.57/149,078.07 = 55,097.82/x
3. Step 3: Cross multiply
   99,384.57x = 149,078.07 × 55,097.82
4. Step 4: Simplify right side
   99,384.57x = 8,213,876,666.81
5. Step 5: Solve for x
   x = 8,213,876,666.81/99,384.57
6. Step 6: Final answer
   x = 82,647.40