Finding the Fourth Proportional to 31,423,990,274.88, 47,144,828,590.72 and 13,739,221,032

Step by Step Solution

1. Step 1: Write the proportion equation
   31,423,990,274.88 : 47,144,828,590.72 = 13,739,221,032 : x
2. Step 2: Convert to fraction form
   31,423,990,274.88/47,144,828,590.72 = 13,739,221,032/x
3. Step 3: Cross multiply
   31,423,990,274.88x = 47,144,828,590.72 × 13,739,221,032
4. Step 4: Simplify right side
   31,423,990,274.88x = 647,733,220,523,655,168,000
5. Step 5: Solve for x
   x = 647,733,220,523,655,168,000/31,423,990,274.88
6. Step 6: Final answer
   x = 20,612,697,969.22