Finding the Fourth Proportional to 42,059,144.30, 63,094,621.35 and 13,302,281.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,059,144.30 : 63,094,621.35 = 13,302,281.30 : x
2. Step 2: Convert to fraction form
   42,059,144.30/63,094,621.35 = 13,302,281.30/x
3. Step 3: Cross multiply
   42,059,144.30x = 63,094,621.35 × 13,302,281.30
4. Step 4: Simplify right side
   42,059,144.30x = 839,302,401,714,685.88
5. Step 5: Solve for x
   x = 839,302,401,714,685.88/42,059,144.30
6. Step 6: Final answer
   x = 19,955,289.53