Finding the Fourth Proportional to 54,938,828.72, 82,407,404.72 and 18,572,764.98

Step by Step Solution

1. Step 1: Write the proportion equation
   54,938,828.72 : 82,407,404.72 = 18,572,764.98 : x
2. Step 2: Convert to fraction form
   54,938,828.72/82,407,404.72 = 18,572,764.98/x
3. Step 3: Cross multiply
   54,938,828.72x = 82,407,404.72 × 18,572,764.98
4. Step 4: Simplify right side
   54,938,828.72x = 1,530,533,360,476,302.75
5. Step 5: Solve for x
   x = 1,530,533,360,476,302.75/54,938,828.72
6. Step 6: Final answer
   x = 27,858,864.05