Finding the Fourth Proportional to 22,589,978.41, 31,174,410.63 and 12,276,701.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,589,978.41 : 31,174,410.63 = 12,276,701.20 : x
2. Step 2: Convert to fraction form
   22,589,978.41/31,174,410.63 = 12,276,701.20/x
3. Step 3: Cross multiply
   22,589,978.41x = 31,174,410.63 × 12,276,701.20
4. Step 4: Simplify right side
   22,589,978.41x = 382,718,924,390,613.75
5. Step 5: Solve for x
   x = 382,718,924,390,613.75/22,589,978.41
6. Step 6: Final answer
   x = 16,941,978.32