Finding the Fourth Proportional to 801,179,892.15, 1,103,058,627.50 and 624,741,480.15

Step by Step Solution

1. Step 1: Write the proportion equation
   801,179,892.15 : 1,103,058,627.50 = 624,741,480.15 : x
2. Step 2: Convert to fraction form
   801,179,892.15/1,103,058,627.50 = 624,741,480.15/x
3. Step 3: Cross multiply
   801,179,892.15x = 1,103,058,627.50 × 624,741,480.15
4. Step 4: Simplify right side
   801,179,892.15x = 689,126,479,633,453,696
5. Step 5: Solve for x
   x = 689,126,479,633,453,696/801,179,892.15
6. Step 6: Final answer
   x = 860,139,509.72