Finding the Fourth Proportional to 1,123,242.03, 1,549,859.00 and 639,796.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,242.03 : 1,549,859.00 = 639,796.59 : x
2. Step 2: Convert to fraction form
   1,123,242.03/1,549,859.00 = 639,796.59/x
3. Step 3: Cross multiply
   1,123,242.03x = 1,549,859.00 × 639,796.59
4. Step 4: Simplify right side
   1,123,242.03x = 991,594,499,981.83
5. Step 5: Solve for x
   x = 991,594,499,981.83/1,123,242.03
6. Step 6: Final answer
   x = 882,796.83