Finding the Fourth Proportional to 101,189,026.58, 139,640,903.37 and 54,779,280.48

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189,026.58 : 139,640,903.37 = 54,779,280.48 : x
2. Step 2: Convert to fraction form
   101,189,026.58/139,640,903.37 = 54,779,280.48/x
3. Step 3: Cross multiply
   101,189,026.58x = 139,640,903.37 × 54,779,280.48
4. Step 4: Simplify right side
   101,189,026.58x = 7,649,428,212,185,807
5. Step 5: Solve for x
   x = 7,649,428,212,185,807/101,189,026.58
6. Step 6: Final answer
   x = 75,595,432.34