Finding the Fourth Proportional to 12,596,411.61, 18,897,615.59 and 4,076,748.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,596,411.61 : 18,897,615.59 = 4,076,748.09 : x
2. Step 2: Convert to fraction form
   12,596,411.61/18,897,615.59 = 4,076,748.09/x
3. Step 3: Cross multiply
   12,596,411.61x = 18,897,615.59 × 4,076,748.09
4. Step 4: Simplify right side
   12,596,411.61x = 77,040,818,241,702.98
5. Step 5: Solve for x
   x = 77,040,818,241,702.98/12,596,411.61
6. Step 6: Final answer
   x = 6,116,092.47