Finding the Fourth Proportional to 55,182,484.72, 82,770,975.58 and 20,636,346.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,182,484.72 : 82,770,975.58 = 20,636,346.72 : x
2. Step 2: Convert to fraction form
   55,182,484.72/82,770,975.58 = 20,636,346.72/x
3. Step 3: Cross multiply
   55,182,484.72x = 82,770,975.58 × 20,636,346.72
4. Step 4: Simplify right side
   55,182,484.72x = 1,708,090,550,421,533
5. Step 5: Solve for x
   x = 1,708,090,550,421,533/55,182,484.72
6. Step 6: Final answer
   x = 30,953,491.11