Finding the Fourth Proportional to 52,483,256, 78,724,603.02 and 13,621,679.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,483,256 : 78,724,603.02 = 13,621,679.58 : x
2. Step 2: Convert to fraction form
   52,483,256/78,724,603.02 = 13,621,679.58/x
3. Step 3: Cross multiply
   52,483,256x = 78,724,603.02 × 13,621,679.58
4. Step 4: Simplify right side
   52,483,256x = 1,072,361,317,401,140.25
5. Step 5: Solve for x
   x = 1,072,361,317,401,140.25/52,483,256
6. Step 6: Final answer
   x = 20,432,446.44