Finding the Fourth Proportional to 1,927,111.50, 2,890,864.08 and 664,935.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927,111.50 : 2,890,864.08 = 664,935.48 : x
2. Step 2: Convert to fraction form
   1,927,111.50/2,890,864.08 = 664,935.48/x
3. Step 3: Cross multiply
   1,927,111.50x = 2,890,864.08 × 664,935.48
4. Step 4: Simplify right side
   1,927,111.50x = 1,922,238,094,649.56
5. Step 5: Solve for x
   x = 1,922,238,094,649.56/1,927,111.50
6. Step 6: Final answer
   x = 997,471.13