Finding the Fourth Proportional to 1,276,518.02, 1,915,060.89 and 556,976.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,518.02 : 1,915,060.89 = 556,976.34 : x
2. Step 2: Convert to fraction form
   1,276,518.02/1,915,060.89 = 556,976.34/x
3. Step 3: Cross multiply
   1,276,518.02x = 1,915,060.89 × 556,976.34
4. Step 4: Simplify right side
   1,276,518.02x = 1,066,643,605,389.34
5. Step 5: Solve for x
   x = 1,066,643,605,389.34/1,276,518.02
6. Step 6: Final answer
   x = 835,588.36