Finding the Fourth Proportional to 53,871,401.57, 80,807,103.04 and 12,930,840.61

Step by Step Solution

1. Step 1: Write the proportion equation
   53,871,401.57 : 80,807,103.04 = 12,930,840.61 : x
2. Step 2: Convert to fraction form
   53,871,401.57/80,807,103.04 = 12,930,840.61/x
3. Step 3: Cross multiply
   53,871,401.57x = 80,807,103.04 × 12,930,840.61
4. Step 4: Simplify right side
   53,871,401.57x = 1,044,903,769,810,527
5. Step 5: Solve for x
   x = 1,044,903,769,810,527/53,871,401.57
6. Step 6: Final answer
   x = 19,396,261.09