Finding the Fourth Proportional to 20,640,827.98, 28,482,657.93 and 12,152,627.93

Step by Step Solution

1. Step 1: Write the proportion equation
   20,640,827.98 : 28,482,657.93 = 12,152,627.93 : x
2. Step 2: Convert to fraction form
   20,640,827.98/28,482,657.93 = 12,152,627.93/x
3. Step 3: Cross multiply
   20,640,827.98x = 28,482,657.93 × 12,152,627.93
4. Step 4: Simplify right side
   20,640,827.98x = 346,139,144,469,046.50
5. Step 5: Solve for x
   x = 346,139,144,469,046.50/20,640,827.98
6. Step 6: Final answer
   x = 16,769,634.67