Finding the Fourth Proportional to 35,643,533.91, 49,179,642.71 and 20,173,619.01

Step by Step Solution

1. Step 1: Write the proportion equation
   35,643,533.91 : 49,179,642.71 = 20,173,619.01 : x
2. Step 2: Convert to fraction form
   35,643,533.91/49,179,642.71 = 20,173,619.01/x
3. Step 3: Cross multiply
   35,643,533.91x = 49,179,642.71 × 20,173,619.01
4. Step 4: Simplify right side
   35,643,533.91x = 992,131,374,978,595.88
5. Step 5: Solve for x
   x = 992,131,374,978,595.88/35,643,533.91
6. Step 6: Final answer
   x = 27,834,820.69