Finding the Fourth Proportional to 2,111,532.84, 3,166,978.50 and 691,557.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111,532.84 : 3,166,978.50 = 691,557.48 : x
2. Step 2: Convert to fraction form
   2,111,532.84/3,166,978.50 = 691,557.48/x
3. Step 3: Cross multiply
   2,111,532.84x = 3,166,978.50 × 691,557.48
4. Step 4: Simplify right side
   2,111,532.84x = 2,190,147,670,674.18
5. Step 5: Solve for x
   x = 2,190,147,670,674.18/2,111,532.84
6. Step 6: Final answer
   x = 1,037,231.17