Finding the Fourth Proportional to 1,015,830.76, 1,401,890.58 and 607,854.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,830.76 : 1,401,890.58 = 607,854.52 : x
2. Step 2: Convert to fraction form
   1,015,830.76/1,401,890.58 = 607,854.52/x
3. Step 3: Cross multiply
   1,015,830.76x = 1,401,890.58 × 607,854.52
4. Step 4: Simplify right side
   1,015,830.76x = 852,145,525,598.42
5. Step 5: Solve for x
   x = 852,145,525,598.42/1,015,830.76
6. Step 6: Final answer
   x = 838,865.64