Finding the Fourth Proportional to 61,053.33, 91,469.25 and 45,082.40

Step by Step Solution

1. Step 1: Write the proportion equation
   61,053.33 : 91,469.25 = 45,082.40 : x
2. Step 2: Convert to fraction form
   61,053.33/91,469.25 = 45,082.40/x
3. Step 3: Cross multiply
   61,053.33x = 91,469.25 × 45,082.40
4. Step 4: Simplify right side
   61,053.33x = 4,123,653,201.86
5. Step 5: Solve for x
   x = 4,123,653,201.86/61,053.33
6. Step 6: Final answer
   x = 67,541.83