Finding the Fourth Proportional to 2,662,632,412.06, 3,994,493,345.34 and 915,608,260.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662,632,412.06 : 3,994,493,345.34 = 915,608,260.66 : x
2. Step 2: Convert to fraction form
   2,662,632,412.06/3,994,493,345.34 = 915,608,260.66/x
3. Step 3: Cross multiply
   2,662,632,412.06x = 3,994,493,345.34 × 915,608,260.66
4. Step 4: Simplify right side
   2,662,632,412.06x = 3,657,391,104,144,701,952
5. Step 5: Solve for x
   x = 3,657,391,104,144,701,952/2,662,632,412.06
6. Step 6: Final answer
   x = 1,373,599,708.16