Finding the Fourth Proportional to 2,068,364.64, 3,102,456.72 and 648,388.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068,364.64 : 3,102,456.72 = 648,388.32 : x
2. Step 2: Convert to fraction form
   2,068,364.64/3,102,456.72 = 648,388.32/x
3. Step 3: Cross multiply
   2,068,364.64x = 3,102,456.72 × 648,388.32
4. Step 4: Simplify right side
   2,068,364.64x = 2,011,596,700,553.51
5. Step 5: Solve for x
   x = 2,011,596,700,553.51/2,068,364.64
6. Step 6: Final answer
   x = 972,554.19