Finding the Fourth Proportional to 1,371,499,468.38, 1,892,826,277.29 and 768,832,865.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371,499,468.38 : 1,892,826,277.29 = 768,832,865.82 : x
2. Step 2: Convert to fraction form
   1,371,499,468.38/1,892,826,277.29 = 768,832,865.82/x
3. Step 3: Cross multiply
   1,371,499,468.38x = 1,892,826,277.29 × 768,832,865.82
4. Step 4: Simplify right side
   1,371,499,468.38x = 1,455,267,051,268,272,640
5. Step 5: Solve for x
   x = 1,455,267,051,268,272,640/1,371,499,468.38
6. Step 6: Final answer
   x = 1,061,077,371.75