Finding the Fourth Proportional to 42,065,383.92, 63,091,760.94 and 13,307,782.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,065,383.92 : 63,091,760.94 = 13,307,782.88 : x
2. Step 2: Convert to fraction form
   42,065,383.92/63,091,760.94 = 13,307,782.88/x
3. Step 3: Cross multiply
   42,065,383.92x = 63,091,760.94 × 13,307,782.88
4. Step 4: Simplify right side
   42,065,383.92x = 839,611,456,106,384.75
5. Step 5: Solve for x
   x = 839,611,456,106,384.75/42,065,383.92
6. Step 6: Final answer
   x = 19,959,676.53