Finding the Fourth Proportional to 10,749,643.50, 14,834,508.21 and 5,920,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749,643.50 : 14,834,508.21 = 5,920,747.50 : x
2. Step 2: Convert to fraction form
   10,749,643.50/14,834,508.21 = 5,920,747.50/x
3. Step 3: Cross multiply
   10,749,643.50x = 14,834,508.21 × 5,920,747.50
4. Step 4: Simplify right side
   10,749,643.50x = 87,831,377,398,086.98
5. Step 5: Solve for x
   x = 87,831,377,398,086.98/10,749,643.50
6. Step 6: Final answer
   x = 8,170,631.65