Finding the Fourth Proportional to 101,189,034.09, 139,640,913.72 and 54,779,287.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189,034.09 : 139,640,913.72 = 54,779,287.98 : x
2. Step 2: Convert to fraction form
   101,189,034.09/139,640,913.72 = 54,779,287.98/x
3. Step 3: Cross multiply
   101,189,034.09x = 139,640,913.72 × 54,779,287.98
4. Step 4: Simplify right side
   101,189,034.09x = 7,649,429,826,458,213
5. Step 5: Solve for x
   x = 7,649,429,826,458,213/101,189,034.09
6. Step 6: Final answer
   x = 75,595,442.68