Finding the Fourth Proportional to 1,152,023,091.84, 1,589,796,080.52 and 623,387,082.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152,023,091.84 : 1,589,796,080.52 = 623,387,082.12 : x
2. Step 2: Convert to fraction form
   1,152,023,091.84/1,589,796,080.52 = 623,387,082.12/x
3. Step 3: Cross multiply
   1,152,023,091.84x = 1,589,796,080.52 × 623,387,082.12
4. Step 4: Simplify right side
   1,152,023,091.84x = 991,058,339,801,175,424
5. Step 5: Solve for x
   x = 991,058,339,801,175,424/1,152,023,091.84
6. Step 6: Final answer
   x = 860,276,453.50