Finding the Fourth Proportional to 1,680,567.89, 2,510,136.00 and 1,520,396.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,567.89 : 2,510,136.00 = 1,520,396.87 : x
2. Step 2: Convert to fraction form
   1,680,567.89/2,510,136.00 = 1,520,396.87/x
3. Step 3: Cross multiply
   1,680,567.89x = 2,510,136.00 × 1,520,396.87
4. Step 4: Simplify right side
   1,680,567.89x = 3,816,402,910,072.34
5. Step 5: Solve for x
   x = 3,816,402,910,072.34/1,680,567.89
6. Step 6: Final answer
   x = 2,270,900.77