Finding the Fourth Proportional to 12,058,439.88, 16,634,002.86 and 7,640,082.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,058,439.88 : 16,634,002.86 = 7,640,082.12 : x
2. Step 2: Convert to fraction form
   12,058,439.88/16,634,002.86 = 7,640,082.12/x
3. Step 3: Cross multiply
   12,058,439.88x = 16,634,002.86 × 7,640,082.12
4. Step 4: Simplify right side
   12,058,439.88x = 127,085,147,834,714.86
5. Step 5: Solve for x
   x = 127,085,147,834,714.86/12,058,439.88
6. Step 6: Final answer
   x = 10,539,103.66