Finding the Fourth Proportional to 47,934,624.52, 71,891,499.97 and 12,918,921.58

Step by Step Solution

1. Step 1: Write the proportion equation
   47,934,624.52 : 71,891,499.97 = 12,918,921.58 : x
2. Step 2: Convert to fraction form
   47,934,624.52/71,891,499.97 = 12,918,921.58/x
3. Step 3: Cross multiply
   47,934,624.52x = 71,891,499.97 × 12,918,921.58
4. Step 4: Simplify right side
   47,934,624.52x = 928,760,650,381,002.38
5. Step 5: Solve for x
   x = 928,760,650,381,002.38/47,934,624.52
6. Step 6: Final answer
   x = 19,375,569.53