Finding the Fourth Proportional to 12,894,010.10, 17,791,153.12 and 7,389,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894,010.10 : 17,791,153.12 = 7,389,111.72 : x
2. Step 2: Convert to fraction form
   12,894,010.10/17,791,153.12 = 7,389,111.72/x
3. Step 3: Cross multiply
   12,894,010.10x = 17,791,153.12 × 7,389,111.72
4. Step 4: Simplify right side
   12,894,010.10x = 131,460,818,031,306.56
5. Step 5: Solve for x
   x = 131,460,818,031,306.56/12,894,010.10
6. Step 6: Final answer
   x = 10,195,495.20