Finding the Fourth Proportional to 61,140.89, 84,338.69 and 38,443.95

Step by Step Solution

1. Step 1: Write the proportion equation
   61,140.89 : 84,338.69 = 38,443.95 : x
2. Step 2: Convert to fraction form
   61,140.89/84,338.69 = 38,443.95/x
3. Step 3: Cross multiply
   61,140.89x = 84,338.69 × 38,443.95
4. Step 4: Simplify right side
   61,140.89x = 3,242,312,189.21
5. Step 5: Solve for x
   x = 3,242,312,189.21/61,140.89
6. Step 6: Final answer
   x = 53,030.17