Finding the Fourth Proportional to 2,074,465, 3,112,222.62 and 578,557

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,465 : 3,112,222.62 = 578,557 : x
2. Step 2: Convert to fraction form
   2,074,465/3,112,222.62 = 578,557/x
3. Step 3: Cross multiply
   2,074,465x = 3,112,222.62 × 578,557
4. Step 4: Simplify right side
   2,074,465x = 1,800,598,182,359.34
5. Step 5: Solve for x
   x = 1,800,598,182,359.34/2,074,465
6. Step 6: Final answer
   x = 867,981.95