Finding the Fourth Proportional to 1,262,462,323.59, 1,742,251,811.31 and 705,545,354.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,462,323.59 : 1,742,251,811.31 = 705,545,354.25 : x
2. Step 2: Convert to fraction form
   1,262,462,323.59/1,742,251,811.31 = 705,545,354.25/x
3. Step 3: Cross multiply
   1,262,462,323.59x = 1,742,251,811.31 × 705,545,354.25
4. Step 4: Simplify right side
   1,262,462,323.59x = 1,229,237,671,403,418,112
5. Step 5: Solve for x
   x = 1,229,237,671,403,418,112/1,262,462,323.59
6. Step 6: Final answer
   x = 973,682,658.43