Finding the Fourth Proportional to 31,656,196.32, 47,486,219.04 and 8,938,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,656,196.32 : 47,486,219.04 = 8,938,806.72 : x
2. Step 2: Convert to fraction form
   31,656,196.32/47,486,219.04 = 8,938,806.72/x
3. Step 3: Cross multiply
   31,656,196.32x = 47,486,219.04 × 8,938,806.72
4. Step 4: Simplify right side
   31,656,196.32x = 424,470,133,862,144
5. Step 5: Solve for x
   x = 424,470,133,862,144/31,656,196.32
6. Step 6: Final answer
   x = 13,408,753.52