Finding the Fourth Proportional to 71,784.31, 99,065.61 and 41,570.95

Step by Step Solution

1. Step 1: Write the proportion equation
   71,784.31 : 99,065.61 = 41,570.95 : x
2. Step 2: Convert to fraction form
   71,784.31/99,065.61 = 41,570.95/x
3. Step 3: Cross multiply
   71,784.31x = 99,065.61 × 41,570.95
4. Step 4: Simplify right side
   71,784.31x = 4,118,251,520.03
5. Step 5: Solve for x
   x = 4,118,251,520.03/71,784.31
6. Step 6: Final answer
   x = 57,369.80