Finding the Fourth Proportional to 16,420,061.40, 24,588,101.70 and 12,137,040.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,420,061.40 : 24,588,101.70 = 12,137,040.60 : x
2. Step 2: Convert to fraction form
   16,420,061.40/24,588,101.70 = 12,137,040.60/x
3. Step 3: Cross multiply
   16,420,061.40x = 24,588,101.70 × 12,137,040.60
4. Step 4: Simplify right side
   16,420,061.40x = 298,426,788,609,829
5. Step 5: Solve for x
   x = 298,426,788,609,829/16,420,061.40
6. Step 6: Final answer
   x = 18,174,523.31