Finding the Fourth Proportional to 61,011,559.24, 91,847,183.13 and 55,581,551.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,011,559.24 : 91,847,183.13 = 55,581,551.72 : x
2. Step 2: Convert to fraction form
   61,011,559.24/91,847,183.13 = 55,581,551.72/x
3. Step 3: Cross multiply
   61,011,559.24x = 91,847,183.13 × 55,581,551.72
4. Step 4: Simplify right side
   61,011,559.24x = 5,105,008,959,476,406
5. Step 5: Solve for x
   x = 5,105,008,959,476,406/61,011,559.24
6. Step 6: Final answer
   x = 83,672,815.82