Finding the Fourth Proportional to 6,459,099.58, 9,688,600.77 and 1,666,381.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,459,099.58 : 9,688,600.77 = 1,666,381.42 : x
2. Step 2: Convert to fraction form
   6,459,099.58/9,688,600.77 = 1,666,381.42/x
3. Step 3: Cross multiply
   6,459,099.58x = 9,688,600.77 × 1,666,381.42
4. Step 4: Simplify right side
   6,459,099.58x = 16,144,904,308,925.69
5. Step 5: Solve for x
   x = 16,144,904,308,925.69/6,459,099.58
6. Step 6: Final answer
   x = 2,499,559.59