Finding the Fourth Proportional to 61,142.04, 91,740.12 and 38,949.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,142.04 : 91,740.12 = 38,949.72 : x
2. Step 2: Convert to fraction form
   61,142.04/91,740.12 = 38,949.72/x
3. Step 3: Cross multiply
   61,142.04x = 91,740.12 × 38,949.72
4. Step 4: Simplify right side
   61,142.04x = 3,573,251,986.77
5. Step 5: Solve for x
   x = 3,573,251,986.77/61,142.04
6. Step 6: Final answer
   x = 58,441.82