Finding the Fourth Proportional to 39,899,803.84, 55,061,704.41 and 21,565,089.34

Step by Step Solution

1. Step 1: Write the proportion equation
   39,899,803.84 : 55,061,704.41 = 21,565,089.34 : x
2. Step 2: Convert to fraction form
   39,899,803.84/55,061,704.41 = 21,565,089.34/x
3. Step 3: Cross multiply
   39,899,803.84x = 55,061,704.41 × 21,565,089.34
4. Step 4: Simplify right side
   39,899,803.84x = 1,187,410,574,814,322
5. Step 5: Solve for x
   x = 1,187,410,574,814,322/39,899,803.84
6. Step 6: Final answer
   x = 29,759,809.84