Finding the Fourth Proportional to 10,064,359,665.20, 13,888,858,288.58 and 5,548,139,503.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,064,359,665.20 : 13,888,858,288.58 = 5,548,139,503.53 : x
2. Step 2: Convert to fraction form
   10,064,359,665.20/13,888,858,288.58 = 5,548,139,503.53/x
3. Step 3: Cross multiply
   10,064,359,665.20x = 13,888,858,288.58 × 5,548,139,503.53
4. Step 4: Simplify right side
   10,064,359,665.20x = 77,057,323,329,773,027,328
5. Step 5: Solve for x
   x = 77,057,323,329,773,027,328/10,064,359,665.20
6. Step 6: Final answer
   x = 7,656,455,640.81