Finding the Fourth Proportional to 99,245,406.83, 139,087,058.63 and 99,245,406.83

Step by Step Solution

1. Step 1: Write the proportion equation
   99,245,406.83 : 139,087,058.63 = 99,245,406.83 : x
2. Step 2: Convert to fraction form
   99,245,406.83/139,087,058.63 = 99,245,406.83/x
3. Step 3: Cross multiply
   99,245,406.83x = 139,087,058.63 × 99,245,406.83
4. Step 4: Simplify right side
   99,245,406.83x = 13,803,751,717,330,750
5. Step 5: Solve for x
   x = 13,803,751,717,330,750/99,245,406.83
6. Step 6: Final answer
   x = 139,087,058.63