Finding the Fourth Proportional to 2,635,458,871.06, 3,636,940,148.20 and 1,429,800,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635,458,871.06 : 3,636,940,148.20 = 1,429,800,054.72 : x
2. Step 2: Convert to fraction form
   2,635,458,871.06/3,636,940,148.20 = 1,429,800,054.72/x
3. Step 3: Cross multiply
   2,635,458,871.06x = 3,636,940,148.20 × 1,429,800,054.72
4. Step 4: Simplify right side
   2,635,458,871.06x = 5,200,097,222,909,724,672
5. Step 5: Solve for x
   x = 5,200,097,222,909,724,672/2,635,458,871.06
6. Step 6: Final answer
   x = 1,973,127,822.26