Finding the Fourth Proportional to 40,401,956.32, 60,611,445.78 and 13,106,117.68

Step by Step Solution

1. Step 1: Write the proportion equation
   40,401,956.32 : 60,611,445.78 = 13,106,117.68 : x
2. Step 2: Convert to fraction form
   40,401,956.32/60,611,445.78 = 13,106,117.68/x
3. Step 3: Cross multiply
   40,401,956.32x = 60,611,445.78 × 13,106,117.68
4. Step 4: Simplify right side
   40,401,956.32x = 794,380,741,147,619.38
5. Step 5: Solve for x
   x = 794,380,741,147,619.38/40,401,956.32
6. Step 6: Final answer
   x = 19,661,937.53