Finding the Fourth Proportional to 77,086.42, 106,371.10 and 43,091.33

Step by Step Solution

1. Step 1: Write the proportion equation
   77,086.42 : 106,371.10 = 43,091.33 : x
2. Step 2: Convert to fraction form
   77,086.42/106,371.10 = 43,091.33/x
3. Step 3: Cross multiply
   77,086.42x = 106,371.10 × 43,091.33
4. Step 4: Simplify right side
   77,086.42x = 4,583,671,798.91
5. Step 5: Solve for x
   x = 4,583,671,798.91/77,086.42
6. Step 6: Final answer
   x = 59,461.47