Finding the Fourth Proportional to 55,761,480.30, 83,609,743.50 and 21,642,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,761,480.30 : 83,609,743.50 = 21,642,968.10 : x
2. Step 2: Convert to fraction form
   55,761,480.30/83,609,743.50 = 21,642,968.10/x
3. Step 3: Cross multiply
   55,761,480.30x = 83,609,743.50 × 21,642,968.10
4. Step 4: Simplify right side
   55,761,480.30x = 1,809,563,011,419,682.50
5. Step 5: Solve for x
   x = 1,809,563,011,419,682.50/55,761,480.30
6. Step 6: Final answer
   x = 32,451,846.72