Finding the Fourth Proportional to 86,056,402.73, 129,122,723.43 and 45,106,109.82

Step by Step Solution

1. Step 1: Write the proportion equation
   86,056,402.73 : 129,122,723.43 = 45,106,109.82 : x
2. Step 2: Convert to fraction form
   86,056,402.73/129,122,723.43 = 45,106,109.82/x
3. Step 3: Cross multiply
   86,056,402.73x = 129,122,723.43 × 45,106,109.82
4. Step 4: Simplify right side
   86,056,402.73x = 5,824,223,743,291,067
5. Step 5: Solve for x
   x = 5,824,223,743,291,067/86,056,402.73
6. Step 6: Final answer
   x = 67,679,144.83