Finding the Fourth Proportional to 1,166,909.99, 1,610,329.76 and 676,978.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166,909.99 : 1,610,329.76 = 676,978.58 : x
2. Step 2: Convert to fraction form
   1,166,909.99/1,610,329.76 = 676,978.58/x
3. Step 3: Cross multiply
   1,166,909.99x = 1,610,329.76 × 676,978.58
4. Step 4: Simplify right side
   1,166,909.99x = 1,090,158,747,897.34
5. Step 5: Solve for x
   x = 1,090,158,747,897.34/1,166,909.99
6. Step 6: Final answer
   x = 934,226.94