Finding the Fourth Proportional to 61,449.59, 92,196.59 and 21,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,449.59 : 92,196.59 = 21,474.50 : x
2. Step 2: Convert to fraction form
   61,449.59/92,196.59 = 21,474.50/x
3. Step 3: Cross multiply
   61,449.59x = 92,196.59 × 21,474.50
4. Step 4: Simplify right side
   61,449.59x = 1,979,875,103.60
5. Step 5: Solve for x
   x = 1,979,875,103.60/61,449.59
6. Step 6: Final answer
   x = 32,219.50