Finding the Fourth Proportional to 85,643,729.01, 118,188,465.50 and 46,485,513.75

Step by Step Solution

1. Step 1: Write the proportion equation
   85,643,729.01 : 118,188,465.50 = 46,485,513.75 : x
2. Step 2: Convert to fraction form
   85,643,729.01/118,188,465.50 = 46,485,513.75/x
3. Step 3: Cross multiply
   85,643,729.01x = 118,188,465.50 × 46,485,513.75
4. Step 4: Simplify right side
   85,643,729.01x = 5,494,051,538,091,651
5. Step 5: Solve for x
   x = 5,494,051,538,091,651/85,643,729.01
6. Step 6: Final answer
   x = 64,150,073.82