Finding the Fourth Proportional to 1,947,769,945.38, 2,921,697,452.79 and 1,172,064,490.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947,769,945.38 : 2,921,697,452.79 = 1,172,064,490.02 : x
2. Step 2: Convert to fraction form
   1,947,769,945.38/2,921,697,452.79 = 1,172,064,490.02/x
3. Step 3: Cross multiply
   1,947,769,945.38x = 2,921,697,452.79 × 1,172,064,490.02
4. Step 4: Simplify right side
   1,947,769,945.38x = 3,424,417,834,997,044,224
5. Step 5: Solve for x
   x = 3,424,417,834,997,044,224/1,947,769,945.38
6. Step 6: Final answer
   x = 1,758,122,330.17