Finding the Fourth Proportional to 13,404,062.16, 18,496,823.58 and 7,523,149.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404,062.16 : 18,496,823.58 = 7,523,149.86 : x
2. Step 2: Convert to fraction form
   13,404,062.16/18,496,823.58 = 7,523,149.86/x
3. Step 3: Cross multiply
   13,404,062.16x = 18,496,823.58 × 7,523,149.86
4. Step 4: Simplify right side
   13,404,062.16x = 139,154,375,726,321.69
5. Step 5: Solve for x
   x = 139,154,375,726,321.69/13,404,062.16
6. Step 6: Final answer
   x = 10,381,507.79