Finding the Fourth Proportional to 1,139,915,109.63, 1,710,978,352.64 and 550,120,412.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,915,109.63 : 1,710,978,352.64 = 550,120,412.82 : x
2. Step 2: Convert to fraction form
   1,139,915,109.63/1,710,978,352.64 = 550,120,412.82/x
3. Step 3: Cross multiply
   1,139,915,109.63x = 1,710,978,352.64 × 550,120,412.82
4. Step 4: Simplify right side
   1,139,915,109.63x = 941,244,117,681,775,744
5. Step 5: Solve for x
   x = 941,244,117,681,775,744/1,139,915,109.63
6. Step 6: Final answer
   x = 825,714,221.81