Finding the Fourth Proportional to 67,985,540.00, 101,978,182.56 and 21,302,599.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,985,540.00 : 101,978,182.56 = 21,302,599.78 : x
2. Step 2: Convert to fraction form
   67,985,540.00/101,978,182.56 = 21,302,599.78/x
3. Step 3: Cross multiply
   67,985,540.00x = 101,978,182.56 × 21,302,599.78
4. Step 4: Simplify right side
   67,985,540.00x = 2,172,400,409,741,744.25
5. Step 5: Solve for x
   x = 2,172,400,409,741,744.25/67,985,540.00
6. Step 6: Final answer
   x = 31,953,859.74