Finding the Fourth Proportional to 1,612,399.34, 2,225,043.89 and 877,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612,399.34 : 2,225,043.89 = 877,356.50 : x
2. Step 2: Convert to fraction form
   1,612,399.34/2,225,043.89 = 877,356.50/x
3. Step 3: Cross multiply
   1,612,399.34x = 2,225,043.89 × 877,356.50
4. Step 4: Simplify right side
   1,612,399.34x = 1,952,156,708,551.57
5. Step 5: Solve for x
   x = 1,952,156,708,551.57/1,612,399.34
6. Step 6: Final answer
   x = 1,210,715.40