Finding the Fourth Proportional to 16,314,242.72, 22,480,440.72 and 12,620,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,314,242.72 : 22,480,440.72 = 12,620,719.52 : x
2. Step 2: Convert to fraction form
   16,314,242.72/22,480,440.72 = 12,620,719.52/x
3. Step 3: Cross multiply
   16,314,242.72x = 22,480,440.72 × 12,620,719.52
4. Step 4: Simplify right side
   16,314,242.72x = 283,719,337,013,106.81
5. Step 5: Solve for x
   x = 283,719,337,013,106.81/16,314,242.72
6. Step 6: Final answer
   x = 17,390,898.36