Finding the Fourth Proportional to 37,673,506, 56,518,683 and 13,738,978

Step by Step Solution

1. Step 1: Write the proportion equation
   37,673,506 : 56,518,683 = 13,738,978 : x
2. Step 2: Convert to fraction form
   37,673,506/56,518,683 = 13,738,978/x
3. Step 3: Cross multiply
   37,673,506x = 56,518,683 × 13,738,978
4. Step 4: Simplify right side
   37,673,506x = 776,508,942,325,974
5. Step 5: Solve for x
   x = 776,508,942,325,974/37,673,506
6. Step 6: Final answer
   x = 20,611,539.11