Finding the Fourth Proportional to 2,487,624.45, 3,731,457.58 and 690,648.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,624.45 : 3,731,457.58 = 690,648.05 : x
2. Step 2: Convert to fraction form
   2,487,624.45/3,731,457.58 = 690,648.05/x
3. Step 3: Cross multiply
   2,487,624.45x = 3,731,457.58 × 690,648.05
4. Step 4: Simplify right side
   2,487,624.45x = 2,577,123,908,886.74
5. Step 5: Solve for x
   x = 2,577,123,908,886.74/2,487,624.45
6. Step 6: Final answer
   x = 1,035,977.88