Finding the Fourth Proportional to 9,520,025.48, 13,137,650.71 and 5,169,120.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,520,025.48 : 13,137,650.71 = 5,169,120.20 : x
2. Step 2: Convert to fraction form
   9,520,025.48/13,137,650.71 = 5,169,120.20/x
3. Step 3: Cross multiply
   9,520,025.48x = 13,137,650.71 × 5,169,120.20
4. Step 4: Simplify right side
   9,520,025.48x = 67,910,095,599,917.09
5. Step 5: Solve for x
   x = 67,910,095,599,917.09/9,520,025.48
6. Step 6: Final answer
   x = 7,133,394.31