Finding the Fourth Proportional to 101,189,030.45, 139,640,908.72 and 54,779,284.36

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189,030.45 : 139,640,908.72 = 54,779,284.36 : x
2. Step 2: Convert to fraction form
   101,189,030.45/139,640,908.72 = 54,779,284.36/x
3. Step 3: Cross multiply
   101,189,030.45x = 139,640,908.72 × 54,779,284.36
4. Step 4: Simplify right side
   101,189,030.45x = 7,649,429,047,061,683
5. Step 5: Solve for x
   x = 7,649,429,047,061,683/101,189,030.45
6. Step 6: Final answer
   x = 75,595,437.70