Finding the Fourth Proportional to 9,194,356.89, 12,688,212.47 and 5,329,120.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,194,356.89 : 12,688,212.47 = 5,329,120.05 : x
2. Step 2: Convert to fraction form
   9,194,356.89/12,688,212.47 = 5,329,120.05/x
3. Step 3: Cross multiply
   9,194,356.89x = 12,688,212.47 × 5,329,120.05
4. Step 4: Simplify right side
   9,194,356.89x = 67,617,007,445,891.42
5. Step 5: Solve for x
   x = 67,617,007,445,891.42/9,194,356.89
6. Step 6: Final answer
   x = 7,354,185.64