Finding the Fourth Proportional to 21,635,626.88, 32,448,126.72 and 7,258,373.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,635,626.88 : 32,448,126.72 = 7,258,373.12 : x
2. Step 2: Convert to fraction form
   21,635,626.88/32,448,126.72 = 7,258,373.12/x
3. Step 3: Cross multiply
   21,635,626.88x = 32,448,126.72 × 7,258,373.12
4. Step 4: Simplify right side
   21,635,626.88x = 235,520,610,778,801.75
5. Step 5: Solve for x
   x = 235,520,610,778,801.75/21,635,626.88
6. Step 6: Final answer
   x = 10,885,777.06