Finding the Fourth Proportional to 1,208,066.16, 1,813,499.10 and 648,194.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,066.16 : 1,813,499.10 = 648,194.16 : x
2. Step 2: Convert to fraction form
   1,208,066.16/1,813,499.10 = 648,194.16/x
3. Step 3: Cross multiply
   1,208,066.16x = 1,813,499.10 × 648,194.16
4. Step 4: Simplify right side
   1,208,066.16x = 1,175,499,525,785.26
5. Step 5: Solve for x
   x = 1,175,499,525,785.26/1,208,066.16
6. Step 6: Final answer
   x = 973,042.34