Finding the Fourth Proportional to 2,791,499,945.76, 3,852,096,840.72 and 1,538,366,791.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,791,499,945.76 : 3,852,096,840.72 = 1,538,366,791.68 : x
2. Step 2: Convert to fraction form
   2,791,499,945.76/3,852,096,840.72 = 1,538,366,791.68/x
3. Step 3: Cross multiply
   2,791,499,945.76x = 3,852,096,840.72 × 1,538,366,791.68
4. Step 4: Simplify right side
   2,791,499,945.76x = 5,925,937,858,099,090,432
5. Step 5: Solve for x
   x = 5,925,937,858,099,090,432/2,791,499,945.76
6. Step 6: Final answer
   x = 2,122,850,787.48