Finding the Fourth Proportional to 101,142,567, 139,576,742.46 and 55,357,479

Step by Step Solution

1. Step 1: Write the proportion equation
   101,142,567 : 139,576,742.46 = 55,357,479 : x
2. Step 2: Convert to fraction form
   101,142,567/139,576,742.46 = 55,357,479/x
3. Step 3: Cross multiply
   101,142,567x = 139,576,742.46 × 55,357,479
4. Step 4: Simplify right side
   101,142,567x = 7,726,616,589,617,859
5. Step 5: Solve for x
   x = 7,726,616,589,617,859/101,142,567
6. Step 6: Final answer
   x = 76,393,321.02