Finding the Fourth Proportional to 13,122,019.10, 18,108,397.72 and 7,320,802.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,122,019.10 : 18,108,397.72 = 7,320,802.04 : x
2. Step 2: Convert to fraction form
   13,122,019.10/18,108,397.72 = 7,320,802.04/x
3. Step 3: Cross multiply
   13,122,019.10x = 18,108,397.72 × 7,320,802.04
4. Step 4: Simplify right side
   13,122,019.10x = 132,567,994,915,043.34
5. Step 5: Solve for x
   x = 132,567,994,915,043.34/13,122,019.10
6. Step 6: Final answer
   x = 10,102,713.15