Finding the Fourth Proportional to 2,193,583,978.55, 3,026,890,507.32 and 1,228,020,752.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,583,978.55 : 3,026,890,507.32 = 1,228,020,752.31 : x
2. Step 2: Convert to fraction form
   2,193,583,978.55/3,026,890,507.32 = 1,228,020,752.31/x
3. Step 3: Cross multiply
   2,193,583,978.55x = 3,026,890,507.32 × 1,228,020,752.31
4. Step 4: Simplify right side
   2,193,583,978.55x = 3,717,084,357,959,104,000
5. Step 5: Solve for x
   x = 3,717,084,357,959,104,000/2,193,583,978.55
6. Step 6: Final answer
   x = 1,694,525,668.64