Finding the Fourth Proportional to 1,927,810.89, 2,891,496.02 and 507,978.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927,810.89 : 2,891,496.02 = 507,978.09 : x
2. Step 2: Convert to fraction form
   1,927,810.89/2,891,496.02 = 507,978.09/x
3. Step 3: Cross multiply
   1,927,810.89x = 2,891,496.02 × 507,978.09
4. Step 4: Simplify right side
   1,927,810.89x = 1,468,816,622,942.31
5. Step 5: Solve for x
   x = 1,468,816,622,942.31/1,927,810.89
6. Step 6: Final answer
   x = 761,909.08