Finding the Fourth Proportional to 46,872.52, 64,702.86 and 28,006.12

Step by Step Solution

1. Step 1: Write the proportion equation
   46,872.52 : 64,702.86 = 28,006.12 : x
2. Step 2: Convert to fraction form
   46,872.52/64,702.86 = 28,006.12/x
3. Step 3: Cross multiply
   46,872.52x = 64,702.86 × 28,006.12
4. Step 4: Simplify right side
   46,872.52x = 1,812,076,061.50
5. Step 5: Solve for x
   x = 1,812,076,061.50/46,872.52
6. Step 6: Final answer
   x = 38,659.67