Finding the Fourth Proportional to 1,812,667.16, 2,501,430.78 and 996,870.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,667.16 : 2,501,430.78 = 996,870.60 : x
2. Step 2: Convert to fraction form
   1,812,667.16/2,501,430.78 = 996,870.60/x
3. Step 3: Cross multiply
   1,812,667.16x = 2,501,430.78 × 996,870.60
4. Step 4: Simplify right side
   1,812,667.16x = 2,493,602,802,517.07
5. Step 5: Solve for x
   x = 2,493,602,802,517.07/1,812,667.16
6. Step 6: Final answer
   x = 1,375,653.99