Finding the Fourth Proportional to 61,314,581.44, 91,581,008.50 and 55,469,791.54

Step by Step Solution

1. Step 1: Write the proportion equation
   61,314,581.44 : 91,581,008.50 = 55,469,791.54 : x
2. Step 2: Convert to fraction form
   61,314,581.44/91,581,008.50 = 55,469,791.54/x
3. Step 3: Cross multiply
   61,314,581.44x = 91,581,008.50 × 55,469,791.54
4. Step 4: Simplify right side
   61,314,581.44x = 5,079,979,450,517,968
5. Step 5: Solve for x
   x = 5,079,979,450,517,968/61,314,581.44
6. Step 6: Final answer
   x = 82,851,082.58