Finding the Fourth Proportional to 13,084,129.89, 18,055,697.31 and 7,282,762.47

Step by Step Solution

1. Step 1: Write the proportion equation
   13,084,129.89 : 18,055,697.31 = 7,282,762.47 : x
2. Step 2: Convert to fraction form
   13,084,129.89/18,055,697.31 = 7,282,762.47/x
3. Step 3: Cross multiply
   13,084,129.89x = 18,055,697.31 × 7,282,762.47
4. Step 4: Simplify right side
   13,084,129.89x = 131,495,354,738,947.94
5. Step 5: Solve for x
   x = 131,495,354,738,947.94/13,084,129.89
6. Step 6: Final answer
   x = 10,049,988.49