Finding the Fourth Proportional to 53,381,513.76, 73,664,514.72 and 28,934,702.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,381,513.76 : 73,664,514.72 = 28,934,702.88 : x
2. Step 2: Convert to fraction form
   53,381,513.76/73,664,514.72 = 28,934,702.88/x
3. Step 3: Cross multiply
   53,381,513.76x = 73,664,514.72 × 28,934,702.88
4. Step 4: Simplify right side
   53,381,513.76x = 2,131,460,846,222,586.25
5. Step 5: Solve for x
   x = 2,131,460,846,222,586.25/53,381,513.76
6. Step 6: Final answer
   x = 39,928,819.85