Finding the Fourth Proportional to 12,035,046.99, 18,061,189.78 and 5,123,372.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,035,046.99 : 18,061,189.78 = 5,123,372.15 : x
2. Step 2: Convert to fraction form
   12,035,046.99/18,061,189.78 = 5,123,372.15/x
3. Step 3: Cross multiply
   12,035,046.99x = 18,061,189.78 × 5,123,372.15
4. Step 4: Simplify right side
   12,035,046.99x = 92,534,196,714,716.64
5. Step 5: Solve for x
   x = 92,534,196,714,716.64/12,035,046.99
6. Step 6: Final answer
   x = 7,688,727.50