Finding the Fourth Proportional to 13,153,118.88, 19,590,982.35 and 12,562,970.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,153,118.88 : 19,590,982.35 = 12,562,970.34 : x
2. Step 2: Convert to fraction form
   13,153,118.88/19,590,982.35 = 12,562,970.34/x
3. Step 3: Cross multiply
   13,153,118.88x = 19,590,982.35 × 12,562,970.34
4. Step 4: Simplify right side
   13,153,118.88x = 246,120,930,194,513.50
5. Step 5: Solve for x
   x = 246,120,930,194,513.50/13,153,118.88
6. Step 6: Final answer
   x = 18,711,982.49