Finding the Fourth Proportional to 1,826,997,784.38, 2,521,259,707.59 and 991,622,657.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826,997,784.38 : 2,521,259,707.59 = 991,622,657.34 : x
2. Step 2: Convert to fraction form
   1,826,997,784.38/2,521,259,707.59 = 991,622,657.34/x
3. Step 3: Cross multiply
   1,826,997,784.38x = 2,521,259,707.59 × 991,622,657.34
4. Step 4: Simplify right side
   1,826,997,784.38x = 2,500,138,251,084,667,392
5. Step 5: Solve for x
   x = 2,500,138,251,084,667,392/1,826,997,784.38
6. Step 6: Final answer
   x = 1,368,440,767.94