Finding the Fourth Proportional to 1,152,023,085.84, 1,589,796,072.24 and 623,387,076.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,023,085.84 : 1,589,796,072.24 = 623,387,076.12 : x
2. Step 2: Convert to fraction form
   1,152,023,085.84/1,589,796,072.24 = 623,387,076.12/x
3. Step 3: Cross multiply
   1,152,023,085.84x = 1,589,796,072.24 × 623,387,076.12
4. Step 4: Simplify right side
   1,152,023,085.84x = 991,058,325,100,753,920
5. Step 5: Solve for x
   x = 991,058,325,100,753,920/1,152,023,085.84
6. Step 6: Final answer
   x = 860,276,445.22