Finding the Fourth Proportional to 12,596,401.55, 18,897,600.88 and 4,076,738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,596,401.55 : 18,897,600.88 = 4,076,738.12 : x
2. Step 2: Convert to fraction form
   12,596,401.55/18,897,600.88 = 4,076,738.12/x
3. Step 3: Cross multiply
   12,596,401.55x = 18,897,600.88 × 4,076,738.12
4. Step 4: Simplify right side
   12,596,401.55x = 77,040,569,884,041.55
5. Step 5: Solve for x
   x = 77,040,569,884,041.55/12,596,401.55
6. Step 6: Final answer
   x = 6,116,077.64