Finding the Fourth Proportional to 111,726,554.32, 154,159,537.56 and 65,307,829.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,726,554.32 : 154,159,537.56 = 65,307,829.24 : x
2. Step 2: Convert to fraction form
   111,726,554.32/154,159,537.56 = 65,307,829.24/x
3. Step 3: Cross multiply
   111,726,554.32x = 154,159,537.56 × 65,307,829.24
4. Step 4: Simplify right side
   111,726,554.32x = 10,067,824,754,685,846
5. Step 5: Solve for x
   x = 10,067,824,754,685,846/111,726,554.32
6. Step 6: Final answer
   x = 90,111,297.32