Finding the Fourth Proportional to 12,499,687.04, 18,749,475.84 and 5,310,118.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499,687.04 : 18,749,475.84 = 5,310,118.40 : x
2. Step 2: Convert to fraction form
   12,499,687.04/18,749,475.84 = 5,310,118.40/x
3. Step 3: Cross multiply
   12,499,687.04x = 18,749,475.84 × 5,310,118.40
4. Step 4: Simplify right side
   12,499,687.04x = 99,561,936,648,339.47
5. Step 5: Solve for x
   x = 99,561,936,648,339.47/12,499,687.04
6. Step 6: Final answer
   x = 7,965,154.35