Finding the Fourth Proportional to 53,928,672.12, 80,885,047.50 and 19,842,090.12

Step by Step Solution

1. Step 1: Write the proportion equation
   53,928,672.12 : 80,885,047.50 = 19,842,090.12 : x
2. Step 2: Convert to fraction form
   53,928,672.12/80,885,047.50 = 19,842,090.12/x
3. Step 3: Cross multiply
   53,928,672.12x = 80,885,047.50 × 19,842,090.12
4. Step 4: Simplify right side
   53,928,672.12x = 1,604,928,401,855,480.75
5. Step 5: Solve for x
   x = 1,604,928,401,855,480.75/53,928,672.12
6. Step 6: Final answer
   x = 29,760,206.19