Finding the Fourth Proportional to 12,213,601.70, 17,076,647.50 and 12,213,601.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,213,601.70 : 17,076,647.50 = 12,213,601.70 : x
2. Step 2: Convert to fraction form
   12,213,601.70/17,076,647.50 = 12,213,601.70/x
3. Step 3: Cross multiply
   12,213,601.70x = 17,076,647.50 × 12,213,601.70
4. Step 4: Simplify right side
   12,213,601.70x = 208,567,370,936,300.75
5. Step 5: Solve for x
   x = 208,567,370,936,300.75/12,213,601.70
6. Step 6: Final answer
   x = 17,076,647.50