Finding the Fourth Proportional to 61,435.55, 92,152.71 and 28,146.17

Step by Step Solution

1. Step 1: Write the proportion equation
   61,435.55 : 92,152.71 = 28,146.17 : x
2. Step 2: Convert to fraction form
   61,435.55/92,152.71 = 28,146.17/x
3. Step 3: Cross multiply
   61,435.55x = 92,152.71 × 28,146.17
4. Step 4: Simplify right side
   61,435.55x = 2,593,745,380.86
5. Step 5: Solve for x
   x = 2,593,745,380.86/61,435.55
6. Step 6: Final answer
   x = 42,218.97