Finding the Fourth Proportional to 113,333,658.10, 170,042,477.55 and 109,134,618.10

Step by Step Solution

1. Step 1: Write the proportion equation
   113,333,658.10 : 170,042,477.55 = 109,134,618.10 : x
2. Step 2: Convert to fraction form
   113,333,658.10/170,042,477.55 = 109,134,618.10/x
3. Step 3: Cross multiply
   113,333,658.10x = 170,042,477.55 × 109,134,618.10
4. Step 4: Simplify right side
   113,333,658.10x = 18,557,520,848,197,072
5. Step 5: Solve for x
   x = 18,557,520,848,197,072/113,333,658.10
6. Step 6: Final answer
   x = 163,742,361.80