Finding the Fourth Proportional to 2,510,580.68, 3,767,474.83 and 912,991.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,510,580.68 : 3,767,474.83 = 912,991.76 : x
2. Step 2: Convert to fraction form
   2,510,580.68/3,767,474.83 = 912,991.76/x
3. Step 3: Cross multiply
   2,510,580.68x = 3,767,474.83 × 912,991.76
4. Step 4: Simplify right side
   2,510,580.68x = 3,439,673,482,933.61
5. Step 5: Solve for x
   x = 3,439,673,482,933.61/2,510,580.68
6. Step 6: Final answer
   x = 1,370,070.88