Finding the Fourth Proportional to 61,047.27, 91,558.55 and 16,670.31

Step by Step Solution

1. Step 1: Write the proportion equation
   61,047.27 : 91,558.55 = 16,670.31 : x
2. Step 2: Convert to fraction form
   61,047.27/91,558.55 = 16,670.31/x
3. Step 3: Cross multiply
   61,047.27x = 91,558.55 × 16,670.31
4. Step 4: Simplify right side
   61,047.27x = 1,526,309,109.98
5. Step 5: Solve for x
   x = 1,526,309,109.98/61,047.27
6. Step 6: Final answer
   x = 25,002.09