Finding the Fourth Proportional to 2,152,512,990.86, 2,970,467,903.25 and 1,162,438,407.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,512,990.86 : 2,970,467,903.25 = 1,162,438,407.86 : x
2. Step 2: Convert to fraction form
   2,152,512,990.86/2,970,467,903.25 = 1,162,438,407.86/x
3. Step 3: Cross multiply
   2,152,512,990.86x = 2,970,467,903.25 × 1,162,438,407.86
4. Step 4: Simplify right side
   2,152,512,990.86x = 3,452,985,980,038,310,400
5. Step 5: Solve for x
   x = 3,452,985,980,038,310,400/2,152,512,990.86
6. Step 6: Final answer
   x = 1,604,164,989.81