Finding the Fourth Proportional to 39,930,058.48, 55,103,480.67 and 21,595,343.98

Step by Step Solution

1. Step 1: Write the proportion equation
   39,930,058.48 : 55,103,480.67 = 21,595,343.98 : x
2. Step 2: Convert to fraction form
   39,930,058.48/55,103,480.67 = 21,595,343.98/x
3. Step 3: Cross multiply
   39,930,058.48x = 55,103,480.67 × 21,595,343.98
4. Step 4: Simplify right side
   39,930,058.48x = 1,189,978,619,563,931
5. Step 5: Solve for x
   x = 1,189,978,619,563,931/39,930,058.48
6. Step 6: Final answer
   x = 29,801,574.67