Finding the Fourth Proportional to 1,525,123,488.58, 2,104,501,997.55 and 855,915,038.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525,123,488.58 : 2,104,501,997.55 = 855,915,038.26 : x
2. Step 2: Convert to fraction form
   1,525,123,488.58/2,104,501,997.55 = 855,915,038.26/x
3. Step 3: Cross multiply
   1,525,123,488.58x = 2,104,501,997.55 × 855,915,038.26
4. Step 4: Simplify right side
   1,525,123,488.58x = 1,801,274,907,751,254,528
5. Step 5: Solve for x
   x = 1,801,274,907,751,254,528/1,525,123,488.58
6. Step 6: Final answer
   x = 1,181,068,235.61