Finding the Fourth Proportional to 63,139,206.76, 86,499,265.79 and 60,778,603.82

Step by Step Solution

1. Step 1: Write the proportion equation
   63,139,206.76 : 86,499,265.79 = 60,778,603.82 : x
2. Step 2: Convert to fraction form
   63,139,206.76/86,499,265.79 = 60,778,603.82/x
3. Step 3: Cross multiply
   63,139,206.76x = 86,499,265.79 × 60,778,603.82
4. Step 4: Simplify right side
   63,139,206.76x = 5,257,304,606,539,484
5. Step 5: Solve for x
   x = 5,257,304,606,539,484/63,139,206.76
6. Step 6: Final answer
   x = 83,265,293.89