Finding the Fourth Proportional to 39,931,630,189.35, 59,901,127,449.54 and 13,040,338,921.89

Step by Step Solution

1. Step 1: Write the proportion equation
   39,931,630,189.35 : 59,901,127,449.54 = 13,040,338,921.89 : x
2. Step 2: Convert to fraction form
   39,931,630,189.35/59,901,127,449.54 = 13,040,338,921.89/x
3. Step 3: Cross multiply
   39,931,630,189.35x = 59,901,127,449.54 × 13,040,338,921.89
4. Step 4: Simplify right side
   39,931,630,189.35x = 781,131,003,745,264,730,112
5. Step 5: Solve for x
   x = 781,131,003,745,264,730,112/39,931,630,189.35
6. Step 6: Final answer
   x = 19,561,710,855.31