Finding the Fourth Proportional to 143,080,544.72, 197,493,969.98 and 83,557,896.74

Step by Step Solution

1. Step 1: Write the proportion equation
   143,080,544.72 : 197,493,969.98 = 83,557,896.74 : x
2. Step 2: Convert to fraction form
   143,080,544.72/197,493,969.98 = 83,557,896.74/x
3. Step 3: Cross multiply
   143,080,544.72x = 197,493,969.98 × 83,557,896.74
4. Step 4: Simplify right side
   143,080,544.72x = 16,502,180,751,064,130
5. Step 5: Solve for x
   x = 16,502,180,751,064,130/143,080,544.72
6. Step 6: Final answer
   x = 115,334,903.04