Finding the Fourth Proportional to 8,665,838,543.31, 12,989,685,430.41 and 3,626,582,221.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,665,838,543.31 : 12,989,685,430.41 = 3,626,582,221.87 : x
2. Step 2: Convert to fraction form
   8,665,838,543.31/12,989,685,430.41 = 3,626,582,221.87/x
3. Step 3: Cross multiply
   8,665,838,543.31x = 12,989,685,430.41 × 3,626,582,221.87
4. Step 4: Simplify right side
   8,665,838,543.31x = 47,108,162,249,608,658,944
5. Step 5: Solve for x
   x = 47,108,162,249,608,658,944/8,665,838,543.31
6. Step 6: Final answer
   x = 5,436,076,614.42