Finding the Fourth Proportional to 13,376,082.72, 18,460,132.56 and 7,575,896.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,376,082.72 : 18,460,132.56 = 7,575,896.28 : x
2. Step 2: Convert to fraction form
   13,376,082.72/18,460,132.56 = 7,575,896.28/x
3. Step 3: Cross multiply
   13,376,082.72x = 18,460,132.56 × 7,575,896.28
4. Step 4: Simplify right side
   13,376,082.72x = 139,852,049,589,610.88
5. Step 5: Solve for x
   x = 139,852,049,589,610.88/13,376,082.72
6. Step 6: Final answer
   x = 10,455,381.63