Finding the Fourth Proportional to 61,103.61, 91,598.63 and 23,688.09

Step by Step Solution

1. Step 1: Write the proportion equation
   61,103.61 : 91,598.63 = 23,688.09 : x
2. Step 2: Convert to fraction form
   61,103.61/91,598.63 = 23,688.09/x
3. Step 3: Cross multiply
   61,103.61x = 91,598.63 × 23,688.09
4. Step 4: Simplify right side
   61,103.61x = 2,169,796,472.88
5. Step 5: Solve for x
   x = 2,169,796,472.88/61,103.61
6. Step 6: Final answer
   x = 35,510.12