Finding the Fourth Proportional to 37,778,464.56, 52,134,037.56 and 21,480,939.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,778,464.56 : 52,134,037.56 = 21,480,939.12 : x
2. Step 2: Convert to fraction form
   37,778,464.56/52,134,037.56 = 21,480,939.12/x
3. Step 3: Cross multiply
   37,778,464.56x = 52,134,037.56 × 21,480,939.12
4. Step 4: Simplify right side
   37,778,464.56x = 1,119,888,086,906,153.50
5. Step 5: Solve for x
   x = 1,119,888,086,906,153.50/37,778,464.56
6. Step 6: Final answer
   x = 29,643,557.51