Finding the Fourth Proportional to 1,070,131.86, 1,476,793.98 and 611,307.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,131.86 : 1,476,793.98 = 611,307.18 : x
2. Step 2: Convert to fraction form
   1,070,131.86/1,476,793.98 = 611,307.18/x
3. Step 3: Cross multiply
   1,070,131.86x = 1,476,793.98 × 611,307.18
4. Step 4: Simplify right side
   1,070,131.86x = 902,774,763,354.78
5. Step 5: Solve for x
   x = 902,774,763,354.78/1,070,131.86
6. Step 6: Final answer
   x = 843,610.77