Finding the Fourth Proportional to 170,300,402.58, 235,116,644.52 and 111,665,354.16

Step by Step Solution

1. Step 1: Write the proportion equation
   170,300,402.58 : 235,116,644.52 = 111,665,354.16 : x
2. Step 2: Convert to fraction form
   170,300,402.58/235,116,644.52 = 111,665,354.16/x
3. Step 3: Cross multiply
   170,300,402.58x = 235,116,644.52 × 111,665,354.16
4. Step 4: Simplify right side
   170,300,402.58x = 26,254,383,379,236,624
5. Step 5: Solve for x
   x = 26,254,383,379,236,624/170,300,402.58
6. Step 6: Final answer
   x = 154,165,128.10