Finding the Fourth Proportional to 2,596,141,516.70, 3,582,678,442.20 and 1,406,709,565.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,596,141,516.70 : 3,582,678,442.20 = 1,406,709,565.40 : x
2. Step 2: Convert to fraction form
   2,596,141,516.70/3,582,678,442.20 = 1,406,709,565.40/x
3. Step 3: Cross multiply
   2,596,141,516.70x = 3,582,678,442.20 × 1,406,709,565.40
4. Step 4: Simplify right side
   2,596,141,516.70x = 5,039,788,034,395,111,424
5. Step 5: Solve for x
   x = 5,039,788,034,395,111,424/2,596,141,516.70
6. Step 6: Final answer
   x = 1,941,260,906.61