Finding the Fourth Proportional to 87,436,109.69, 120,662,414.72 and 47,743,916.05

Step by Step Solution

1. Step 1: Write the proportion equation
   87,436,109.69 : 120,662,414.72 = 47,743,916.05 : x
2. Step 2: Convert to fraction form
   87,436,109.69/120,662,414.72 = 47,743,916.05/x
3. Step 3: Cross multiply
   87,436,109.69x = 120,662,414.72 × 47,743,916.05
4. Step 4: Simplify right side
   87,436,109.69x = 5,760,896,198,781,964
5. Step 5: Solve for x
   x = 5,760,896,198,781,964/87,436,109.69
6. Step 6: Final answer
   x = 65,886,922.68