Finding the Fourth Proportional to 77,189.94, 106,514.72 and 43,196.66

Step by Step Solution

1. Step 1: Write the proportion equation
   77,189.94 : 106,514.72 = 43,196.66 : x
2. Step 2: Convert to fraction form
   77,189.94/106,514.72 = 43,196.66/x
3. Step 3: Cross multiply
   77,189.94x = 106,514.72 × 43,196.66
4. Step 4: Simplify right side
   77,189.94x = 4,601,080,144.84
5. Step 5: Solve for x
   x = 4,601,080,144.84/77,189.94
6. Step 6: Final answer
   x = 59,607.25