Finding the Fourth Proportional to 37,081,978.80, 55,646,587.80 and 21,729,238.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,081,978.80 : 55,646,587.80 = 21,729,238.80 : x
2. Step 2: Convert to fraction form
   37,081,978.80/55,646,587.80 = 21,729,238.80/x
3. Step 3: Cross multiply
   37,081,978.80x = 55,646,587.80 × 21,729,238.80
4. Step 4: Simplify right side
   37,081,978.80x = 1,209,157,994,711,366.50
5. Step 5: Solve for x
   x = 1,209,157,994,711,366.50/37,081,978.80
6. Step 6: Final answer
   x = 32,607,698.78