Finding the Fourth Proportional to 1,371,499,508.88, 1,892,826,333.18 and 768,832,906.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371,499,508.88 : 1,892,826,333.18 = 768,832,906.32 : x
2. Step 2: Convert to fraction form
   1,371,499,508.88/1,892,826,333.18 = 768,832,906.32/x
3. Step 3: Cross multiply
   1,371,499,508.88x = 1,892,826,333.18 × 768,832,906.32
4. Step 4: Simplify right side
   1,371,499,508.88x = 1,455,267,170,897,808,128
5. Step 5: Solve for x
   x = 1,455,267,170,897,808,128/1,371,499,508.88
6. Step 6: Final answer
   x = 1,061,077,427.64