Finding the Fourth Proportional to 47,619,806.52, 71,422,062.84 and 13,068,138.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,619,806.52 : 71,422,062.84 = 13,068,138.72 : x
2. Step 2: Convert to fraction form
   47,619,806.52/71,422,062.84 = 13,068,138.72/x
3. Step 3: Cross multiply
   47,619,806.52x = 71,422,062.84 × 13,068,138.72
4. Step 4: Simplify right side
   47,619,806.52x = 933,353,424,861,677.25
5. Step 5: Solve for x
   x = 933,353,424,861,677.25/47,619,806.52
6. Step 6: Final answer
   x = 19,600,109.56