Finding the Fourth Proportional to 61,061.99, 91,606.14 and 18,941.23

Step by Step Solution

1. Step 1: Write the proportion equation
   61,061.99 : 91,606.14 = 18,941.23 : x
2. Step 2: Convert to fraction form
   61,061.99/91,606.14 = 18,941.23/x
3. Step 3: Cross multiply
   61,061.99x = 91,606.14 × 18,941.23
4. Step 4: Simplify right side
   61,061.99x = 1,735,132,967.15
5. Step 5: Solve for x
   x = 1,735,132,967.15/61,061.99
6. Step 6: Final answer
   x = 28,415.93