Finding the Fourth Proportional to 1,976,816.72, 2,964,159.50 and 1,066,487.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976,816.72 : 2,964,159.50 = 1,066,487.28 : x
2. Step 2: Convert to fraction form
   1,976,816.72/2,964,159.50 = 1,066,487.28/x
3. Step 3: Cross multiply
   1,976,816.72x = 2,964,159.50 × 1,066,487.28
4. Step 4: Simplify right side
   1,976,816.72x = 3,161,238,402,641.16
5. Step 5: Solve for x
   x = 3,161,238,402,641.16/1,976,816.72
6. Step 6: Final answer
   x = 1,599,156.04