Finding the Fourth Proportional to 1,960,437,796.20, 2,705,404,633.20 and 1,068,364,771.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960,437,796.20 : 2,705,404,633.20 = 1,068,364,771.92 : x
2. Step 2: Convert to fraction form
   1,960,437,796.20/2,705,404,633.20 = 1,068,364,771.92/x
3. Step 3: Cross multiply
   1,960,437,796.20x = 2,705,404,633.20 × 1,068,364,771.92
4. Step 4: Simplify right side
   1,960,437,796.20x = 2,890,359,003,900,028,928
5. Step 5: Solve for x
   x = 2,890,359,003,900,028,928/1,960,437,796.20
6. Step 6: Final answer
   x = 1,474,343,643.80